Added in API level 1

Summary: Constants | Methods | Inherited Methods

DatabaseMetaData

public interface DatabaseMetaData
implements Wrapper

java.sql.DatabaseMetaData

Comprehensive information about the database as a whole.

This interface is implemented by driver vendors to let users know the capabilities of a Database Management System (DBMS) in combination with the driver based on JDBC^TM technology ("JDBC driver") that is used with it. Different relational DBMSs often support different features, implement features in different ways, and use different data types. In addition, a driver may implement a feature on top of what the DBMS offers. Information returned by methods in this interface applies to the capabilities of a particular driver and a particular DBMS working together. Note that as used in this documentation, the term "database" is used generically to refer to both the driver and DBMS.

A user for this interface is commonly a tool that needs to discover how to deal with the underlying DBMS. This is especially true for applications that are intended to be used with more than one DBMS. For example, a tool might use the method getTypeInfo to find out what data types can be used in a CREATE TABLE statement. Or a user might call the method supportsCorrelatedSubqueries to see if it is possible to use a correlated subquery or supportsBatchUpdates to see if it is possible to use batch updates.

Some DatabaseMetaData methods return lists of information in the form of ResultSet objects. Regular ResultSet methods, such as getString and getInt, can be used to retrieve the data from these ResultSet objects. If a given form of metadata is not available, an empty ResultSet will be returned. Additional columns beyond the columns defined to be returned by the ResultSet object for a given method can be defined by the JDBC driver vendor and must be accessed by their column label.

Some DatabaseMetaData methods take arguments that are String patterns. These arguments all have names such as fooPattern. Within a pattern String, "%" means match any substring of 0 or more characters, and "_" means match any one character. Only metadata entries matching the search pattern are returned. If a search pattern argument is set to null, that argument's criterion will be dropped from the search.

Summary

Constants
`short`	`attributeNoNulls` Indicates that `NULL` values might not be allowed.
`short`	`attributeNullable` Indicates that `NULL` values are definitely allowed.
`short`	`attributeNullableUnknown` Indicates that whether `NULL` values are allowed is not known.
`int`	`bestRowNotPseudo` Indicates that the best row identifier is NOT a pseudo column.
`int`	`bestRowPseudo` Indicates that the best row identifier is a pseudo column.
`int`	`bestRowSession` Indicates that the scope of the best row identifier is the remainder of the current session.
`int`	`bestRowTemporary` Indicates that the scope of the best row identifier is very temporary, lasting only while the row is being used.
`int`	`bestRowTransaction` Indicates that the scope of the best row identifier is the remainder of the current transaction.
`int`	`bestRowUnknown` Indicates that the best row identifier may or may not be a pseudo column.
`int`	`columnNoNulls` Indicates that the column might not allow `NULL` values.
`int`	`columnNullable` Indicates that the column definitely allows `NULL` values.
`int`	`columnNullableUnknown` Indicates that the nullability of columns is unknown.
`int`	`functionColumnIn` Indicates that the parameter or column is an IN parameter.
`int`	`functionColumnInOut` Indicates that the parameter or column is an INOUT parameter.
`int`	`functionColumnOut` Indicates that the parameter or column is an OUT parameter.
`int`	`functionColumnResult` Indicates that the parameter or column is a column in a result set.
`int`	`functionColumnUnknown` Indicates that type of the parameter or column is unknown.
`int`	`functionNoNulls` Indicates that `NULL` values are not allowed.
`int`	`functionNoTable` Indicates that the function does not return a table.
`int`	`functionNullable` Indicates that `NULL` values are allowed.
`int`	`functionNullableUnknown` Indicates that whether `NULL` values are allowed is unknown.
`int`	`functionResultUnknown` Indicates that it is not known whether the function returns a result or a table.
`int`	`functionReturn` Indicates that the parameter or column is a return value.
`int`	`functionReturnsTable` Indicates that the function returns a table.
`int`	`importedKeyCascade` For the column `UPDATE_RULE`, indicates that when the primary key is updated, the foreign key (imported key) is changed to agree with it.
`int`	`importedKeyInitiallyDeferred` Indicates deferrability.
`int`	`importedKeyInitiallyImmediate` Indicates deferrability.
`int`	`importedKeyNoAction` For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that if the primary key has been imported, it cannot be updated or deleted.
`int`	`importedKeyNotDeferrable` Indicates deferrability.
`int`	`importedKeyRestrict` For the column `UPDATE_RULE`, indicates that a primary key may not be updated if it has been imported by another table as a foreign key.
`int`	`importedKeySetDefault` For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that if the primary key is updated or deleted, the foreign key (imported key) is set to the default value.
`int`	`importedKeySetNull` For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that when the primary key is updated or deleted, the foreign key (imported key) is changed to `NULL`.
`int`	`procedureColumnIn` Indicates that the column stores IN parameters.
`int`	`procedureColumnInOut` Indicates that the column stores INOUT parameters.
`int`	`procedureColumnOut` Indicates that the column stores OUT parameters.
`int`	`procedureColumnResult` Indicates that the column stores results.
`int`	`procedureColumnReturn` Indicates that the column stores return values.
`int`	`procedureColumnUnknown` Indicates that type of the column is unknown.
`int`	`procedureNoNulls` Indicates that `NULL` values are not allowed.
`int`	`procedureNoResult` Indicates that the procedure does not return a result.
`int`	`procedureNullable` Indicates that `NULL` values are allowed.
`int`	`procedureNullableUnknown` Indicates that whether `NULL` values are allowed is unknown.
`int`	`procedureResultUnknown` Indicates that it is not known whether the procedure returns a result.
`int`	`procedureReturnsResult` Indicates that the procedure returns a result.
`int`	`sqlStateSQL` A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an SQLSTATE value.
`int`	`sqlStateSQL99` A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an SQL99 SQLSTATE value.
`int`	`sqlStateXOpen` A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an X/Open (now know as Open Group) SQL CLI SQLSTATE value.
`short`	`tableIndexClustered` Indicates that this table index is a clustered index.
`short`	`tableIndexHashed` Indicates that this table index is a hashed index.
`short`	`tableIndexOther` Indicates that this table index is not a clustered index, a hashed index, or table statistics; it is something other than these.
`short`	`tableIndexStatistic` Indicates that this column contains table statistics that are returned in conjunction with a table's index descriptions.
`int`	`typeNoNulls` Indicates that a `NULL` value is NOT allowed for this data type.
`int`	`typeNullable` Indicates that a `NULL` value is allowed for this data type.
`int`	`typeNullableUnknown` Indicates that it is not known whether a `NULL` value is allowed for this data type.
`int`	`typePredBasic` Indicates that the data type can be only be used in `WHERE` search clauses that do not use `LIKE` predicates.
`int`	`typePredChar` Indicates that the data type can be only be used in `WHERE` search clauses that use `LIKE` predicates.
`int`	`typePredNone` Indicates that `WHERE` search clauses are not supported for this type.
`int`	`typeSearchable` Indicates that all `WHERE` search clauses can be based on this type.
`int`	`versionColumnNotPseudo` Indicates that this version column is NOT a pseudo column.
`int`	`versionColumnPseudo` Indicates that this version column is a pseudo column.
`int`	`versionColumnUnknown` Indicates that this version column may or may not be a pseudo column.

Public methods
`abstract boolean`	`allProceduresAreCallable()` Retrieves whether the current user can call all the procedures returned by the method `getProcedures`.
`abstract boolean`	`allTablesAreSelectable()` Retrieves whether the current user can use all the tables returned by the method `getTables` in a `SELECT` statement.
`abstract boolean`	`autoCommitFailureClosesAllResultSets()` Retrieves whether a `SQLException` while autoCommit is `true` inidcates that all open ResultSets are closed, even ones that are holdable.
`abstract boolean`	`dataDefinitionCausesTransactionCommit()` Retrieves whether a data definition statement within a transaction forces the transaction to commit.
`abstract boolean`	`dataDefinitionIgnoredInTransactions()` Retrieves whether this database ignores a data definition statement within a transaction.
`abstract boolean`	`deletesAreDetected(int type)` Retrieves whether or not a visible row delete can be detected by calling the method `ResultSet.rowDeleted`.
`abstract boolean`	`doesMaxRowSizeIncludeBlobs()` Retrieves whether the return value for the method `getMaxRowSize` includes the SQL data types `LONGVARCHAR` and `LONGVARBINARY`.
`abstract ResultSet`	`getAttributes(String catalog, String schemaPattern, String typeNamePattern, String attributeNamePattern)` Retrieves a description of the given attribute of the given type for a user-defined type (UDT) that is available in the given schema and catalog.
`abstract ResultSet`	`getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable)` Retrieves a description of a table's optimal set of columns that uniquely identifies a row.
`abstract String`	`getCatalogSeparator()` Retrieves the `String` that this database uses as the separator between a catalog and table name.
`abstract String`	`getCatalogTerm()` Retrieves the database vendor's preferred term for "catalog".
`abstract ResultSet`	`getCatalogs()` Retrieves the catalog names available in this database.
`abstract ResultSet`	`getClientInfoProperties()` Retrieves a list of the client info properties that the driver supports.
`abstract ResultSet`	`getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern)` Retrieves a description of the access rights for a table's columns.
`abstract ResultSet`	`getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern)` Retrieves a description of table columns available in the specified catalog.
`abstract Connection`	`getConnection()` Retrieves the connection that produced this metadata object.
`abstract ResultSet`	`getCrossReference(String parentCatalog, String parentSchema, String parentTable, String foreignCatalog, String foreignSchema, String foreignTable)` Retrieves a description of the foreign key columns in the given foreign key table that reference the primary key or the columns representing a unique constraint of the parent table (could be the same or a different table).
`abstract int`	`getDatabaseMajorVersion()` Retrieves the major version number of the underlying database.
`abstract int`	`getDatabaseMinorVersion()` Retrieves the minor version number of the underlying database.
`abstract String`	`getDatabaseProductName()` Retrieves the name of this database product.
`abstract String`	`getDatabaseProductVersion()` Retrieves the version number of this database product.
`abstract int`	`getDefaultTransactionIsolation()` Retrieves this database's default transaction isolation level.
`abstract int`	`getDriverMajorVersion()` Retrieves this JDBC driver's major version number.
`abstract int`	`getDriverMinorVersion()` Retrieves this JDBC driver's minor version number.
`abstract String`	`getDriverName()` Retrieves the name of this JDBC driver.
`abstract String`	`getDriverVersion()` Retrieves the version number of this JDBC driver as a `String`.
`abstract ResultSet`	`getExportedKeys(String catalog, String schema, String table)` Retrieves a description of the foreign key columns that reference the given table's primary key columns (the foreign keys exported by a table).
`abstract String`	`getExtraNameCharacters()` Retrieves all the "extra" characters that can be used in unquoted identifier names (those beyond a-z, A-Z, 0-9 and _).
`abstract ResultSet`	`getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern, String columnNamePattern)` Retrieves a description of the given catalog's system or user function parameters and return type.
`abstract ResultSet`	`getFunctions(String catalog, String schemaPattern, String functionNamePattern)` Retrieves a description of the system and user functions available in the given catalog.
`abstract String`	`getIdentifierQuoteString()` Retrieves the string used to quote SQL identifiers.
`abstract ResultSet`	`getImportedKeys(String catalog, String schema, String table)` Retrieves a description of the primary key columns that are referenced by the given table's foreign key columns (the primary keys imported by a table).
`abstract ResultSet`	`getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)` Retrieves a description of the given table's indices and statistics.
`abstract int`	`getJDBCMajorVersion()` Retrieves the major JDBC version number for this driver.
`abstract int`	`getJDBCMinorVersion()` Retrieves the minor JDBC version number for this driver.
`abstract int`	`getMaxBinaryLiteralLength()` Retrieves the maximum number of hex characters this database allows in an inline binary literal.
`abstract int`	`getMaxCatalogNameLength()` Retrieves the maximum number of characters that this database allows in a catalog name.
`abstract int`	`getMaxCharLiteralLength()` Retrieves the maximum number of characters this database allows for a character literal.
`abstract int`	`getMaxColumnNameLength()` Retrieves the maximum number of characters this database allows for a column name.
`abstract int`	`getMaxColumnsInGroupBy()` Retrieves the maximum number of columns this database allows in a `GROUP BY` clause.
`abstract int`	`getMaxColumnsInIndex()` Retrieves the maximum number of columns this database allows in an index.
`abstract int`	`getMaxColumnsInOrderBy()` Retrieves the maximum number of columns this database allows in an `ORDER BY` clause.
`abstract int`	`getMaxColumnsInSelect()` Retrieves the maximum number of columns this database allows in a `SELECT` list.
`abstract int`	`getMaxColumnsInTable()` Retrieves the maximum number of columns this database allows in a table.
`abstract int`	`getMaxConnections()` Retrieves the maximum number of concurrent connections to this database that are possible.
`abstract int`	`getMaxCursorNameLength()` Retrieves the maximum number of characters that this database allows in a cursor name.
`abstract int`	`getMaxIndexLength()` Retrieves the maximum number of bytes this database allows for an index, including all of the parts of the index.
`abstract int`	`getMaxProcedureNameLength()` Retrieves the maximum number of characters that this database allows in a procedure name.
`abstract int`	`getMaxRowSize()` Retrieves the maximum number of bytes this database allows in a single row.
`abstract int`	`getMaxSchemaNameLength()` Retrieves the maximum number of characters that this database allows in a schema name.
`abstract int`	`getMaxStatementLength()` Retrieves the maximum number of characters this database allows in an SQL statement.
`abstract int`	`getMaxStatements()` Retrieves the maximum number of active statements to this database that can be open at the same time.
`abstract int`	`getMaxTableNameLength()` Retrieves the maximum number of characters this database allows in a table name.
`abstract int`	`getMaxTablesInSelect()` Retrieves the maximum number of tables this database allows in a `SELECT` statement.
`abstract int`	`getMaxUserNameLength()` Retrieves the maximum number of characters this database allows in a user name.
`abstract String`	`getNumericFunctions()` Retrieves a comma-separated list of math functions available with this database.
`abstract ResultSet`	`getPrimaryKeys(String catalog, String schema, String table)` Retrieves a description of the given table's primary key columns.
`abstract ResultSet`	`getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern)` Retrieves a description of the given catalog's stored procedure parameter and result columns.
`abstract String`	`getProcedureTerm()` Retrieves the database vendor's preferred term for "procedure".
`abstract ResultSet`	`getProcedures(String catalog, String schemaPattern, String procedureNamePattern)` Retrieves a description of the stored procedures available in the given catalog.
`abstract int`	`getResultSetHoldability()` Retrieves this database's default holdability for `ResultSet` objects.
`abstract RowIdLifetime`	`getRowIdLifetime()` Indicates whether or not this data source supports the SQL `ROWID` type, and if so the lifetime for which a `RowId` object remains valid.
`abstract String`	`getSQLKeywords()` Retrieves a comma-separated list of all of this database's SQL keywords that are NOT also SQL:2003 keywords.
`abstract int`	`getSQLStateType()` Indicates whether the SQLSTATE returned by `SQLException.getSQLState` is X/Open (now known as Open Group) SQL CLI or SQL:2003.
`abstract String`	`getSchemaTerm()` Retrieves the database vendor's preferred term for "schema".
`abstract ResultSet`	`getSchemas(String catalog, String schemaPattern)` Retrieves the schema names available in this database.
`abstract ResultSet`	`getSchemas()` Retrieves the schema names available in this database.
`abstract String`	`getSearchStringEscape()` Retrieves the string that can be used to escape wildcard characters.
`abstract String`	`getStringFunctions()` Retrieves a comma-separated list of string functions available with this database.
`abstract ResultSet`	`getSuperTables(String catalog, String schemaPattern, String tableNamePattern)` Retrieves a description of the table hierarchies defined in a particular schema in this database.
`abstract ResultSet`	`getSuperTypes(String catalog, String schemaPattern, String typeNamePattern)` Retrieves a description of the user-defined type (UDT) hierarchies defined in a particular schema in this database.
`abstract String`	`getSystemFunctions()` Retrieves a comma-separated list of system functions available with this database.
`abstract ResultSet`	`getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern)` Retrieves a description of the access rights for each table available in a catalog.
`abstract ResultSet`	`getTableTypes()` Retrieves the table types available in this database.
`abstract ResultSet`	`getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)` Retrieves a description of the tables available in the given catalog.
`abstract String`	`getTimeDateFunctions()` Retrieves a comma-separated list of the time and date functions available with this database.
`abstract ResultSet`	`getTypeInfo()` Retrieves a description of all the data types supported by this database.
`abstract ResultSet`	`getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types)` Retrieves a description of the user-defined types (UDTs) defined in a particular schema.
`abstract String`	`getURL()` Retrieves the URL for this DBMS.
`abstract String`	`getUserName()` Retrieves the user name as known to this database.
`abstract ResultSet`	`getVersionColumns(String catalog, String schema, String table)` Retrieves a description of a table's columns that are automatically updated when any value in a row is updated.
`abstract boolean`	`insertsAreDetected(int type)` Retrieves whether or not a visible row insert can be detected by calling the method `ResultSet.rowInserted`.
`abstract boolean`	`isCatalogAtStart()` Retrieves whether a catalog appears at the start of a fully qualified table name.
`abstract boolean`	`isReadOnly()` Retrieves whether this database is in read-only mode.
`abstract boolean`	`locatorsUpdateCopy()` Indicates whether updates made to a LOB are made on a copy or directly to the LOB.
`abstract boolean`	`nullPlusNonNullIsNull()` Retrieves whether this database supports concatenations between `NULL` and non-`NULL` values being `NULL`.
`abstract boolean`	`nullsAreSortedAtEnd()` Retrieves whether `NULL` values are sorted at the end regardless of sort order.
`abstract boolean`	`nullsAreSortedAtStart()` Retrieves whether `NULL` values are sorted at the start regardless of sort order.
`abstract boolean`	`nullsAreSortedHigh()` Retrieves whether `NULL` values are sorted high.
`abstract boolean`	`nullsAreSortedLow()` Retrieves whether `NULL` values are sorted low.
`abstract boolean`	`othersDeletesAreVisible(int type)` Retrieves whether deletes made by others are visible.
`abstract boolean`	`othersInsertsAreVisible(int type)` Retrieves whether inserts made by others are visible.
`abstract boolean`	`othersUpdatesAreVisible(int type)` Retrieves whether updates made by others are visible.
`abstract boolean`	`ownDeletesAreVisible(int type)` Retrieves whether a result set's own deletes are visible.
`abstract boolean`	`ownInsertsAreVisible(int type)` Retrieves whether a result set's own inserts are visible.
`abstract boolean`	`ownUpdatesAreVisible(int type)` Retrieves whether for the given type of `ResultSet` object, the result set's own updates are visible.
`abstract boolean`	`storesLowerCaseIdentifiers()` Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in lower case.
`abstract boolean`	`storesLowerCaseQuotedIdentifiers()` Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in lower case.
`abstract boolean`	`storesMixedCaseIdentifiers()` Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in mixed case.
`abstract boolean`	`storesMixedCaseQuotedIdentifiers()` Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in mixed case.
`abstract boolean`	`storesUpperCaseIdentifiers()` Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in upper case.
`abstract boolean`	`storesUpperCaseQuotedIdentifiers()` Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in upper case.
`abstract boolean`	`supportsANSI92EntryLevelSQL()` Retrieves whether this database supports the ANSI92 entry level SQL grammar.
`abstract boolean`	`supportsANSI92FullSQL()` Retrieves whether this database supports the ANSI92 full SQL grammar supported.
`abstract boolean`	`supportsANSI92IntermediateSQL()` Retrieves whether this database supports the ANSI92 intermediate SQL grammar supported.
`abstract boolean`	`supportsAlterTableWithAddColumn()` Retrieves whether this database supports `ALTER TABLE` with add column.
`abstract boolean`	`supportsAlterTableWithDropColumn()` Retrieves whether this database supports `ALTER TABLE` with drop column.
`abstract boolean`	`supportsBatchUpdates()` Retrieves whether this database supports batch updates.
`abstract boolean`	`supportsCatalogsInDataManipulation()` Retrieves whether a catalog name can be used in a data manipulation statement.
`abstract boolean`	`supportsCatalogsInIndexDefinitions()` Retrieves whether a catalog name can be used in an index definition statement.
`abstract boolean`	`supportsCatalogsInPrivilegeDefinitions()` Retrieves whether a catalog name can be used in a privilege definition statement.
`abstract boolean`	`supportsCatalogsInProcedureCalls()` Retrieves whether a catalog name can be used in a procedure call statement.
`abstract boolean`	`supportsCatalogsInTableDefinitions()` Retrieves whether a catalog name can be used in a table definition statement.
`abstract boolean`	`supportsColumnAliasing()` Retrieves whether this database supports column aliasing.
`abstract boolean`	`supportsConvert(int fromType, int toType)` Retrieves whether this database supports the JDBC scalar function `CONVERT` for conversions between the JDBC types fromType and toType.
`abstract boolean`	`supportsConvert()` Retrieves whether this database supports the JDBC scalar function `CONVERT` for the conversion of one JDBC type to another.
`abstract boolean`	`supportsCoreSQLGrammar()` Retrieves whether this database supports the ODBC Core SQL grammar.
`abstract boolean`	`supportsCorrelatedSubqueries()` Retrieves whether this database supports correlated subqueries.
`abstract boolean`	`supportsDataDefinitionAndDataManipulationTransactions()` Retrieves whether this database supports both data definition and data manipulation statements within a transaction.
`abstract boolean`	`supportsDataManipulationTransactionsOnly()` Retrieves whether this database supports only data manipulation statements within a transaction.
`abstract boolean`	`supportsDifferentTableCorrelationNames()` Retrieves whether, when table correlation names are supported, they are restricted to being different from the names of the tables.
`abstract boolean`	`supportsExpressionsInOrderBy()` Retrieves whether this database supports expressions in `ORDER BY` lists.
`abstract boolean`	`supportsExtendedSQLGrammar()` Retrieves whether this database supports the ODBC Extended SQL grammar.
`abstract boolean`	`supportsFullOuterJoins()` Retrieves whether this database supports full nested outer joins.
`abstract boolean`	`supportsGetGeneratedKeys()` Retrieves whether auto-generated keys can be retrieved after a statement has been executed
`abstract boolean`	`supportsGroupBy()` Retrieves whether this database supports some form of `GROUP BY` clause.
`abstract boolean`	`supportsGroupByBeyondSelect()` Retrieves whether this database supports using columns not included in the `SELECT` statement in a `GROUP BY` clause provided that all of the columns in the `SELECT` statement are included in the `GROUP BY` clause.
`abstract boolean`	`supportsGroupByUnrelated()` Retrieves whether this database supports using a column that is not in the `SELECT` statement in a `GROUP BY` clause.
`abstract boolean`	`supportsIntegrityEnhancementFacility()` Retrieves whether this database supports the SQL Integrity Enhancement Facility.
`abstract boolean`	`supportsLikeEscapeClause()` Retrieves whether this database supports specifying a `LIKE` escape clause.
`abstract boolean`	`supportsLimitedOuterJoins()` Retrieves whether this database provides limited support for outer joins.
`abstract boolean`	`supportsMinimumSQLGrammar()` Retrieves whether this database supports the ODBC Minimum SQL grammar.
`abstract boolean`	`supportsMixedCaseIdentifiers()` Retrieves whether this database treats mixed case unquoted SQL identifiers as case sensitive and as a result stores them in mixed case.
`abstract boolean`	`supportsMixedCaseQuotedIdentifiers()` Retrieves whether this database treats mixed case quoted SQL identifiers as case sensitive and as a result stores them in mixed case.
`abstract boolean`	`supportsMultipleOpenResults()` Retrieves whether it is possible to have multiple `ResultSet` objects returned from a `CallableStatement` object simultaneously.
`abstract boolean`	`supportsMultipleResultSets()` Retrieves whether this database supports getting multiple `ResultSet` objects from a single call to the method `execute`.
`abstract boolean`	`supportsMultipleTransactions()` Retrieves whether this database allows having multiple transactions open at once (on different connections).
`abstract boolean`	`supportsNamedParameters()` Retrieves whether this database supports named parameters to callable statements.
`abstract boolean`	`supportsNonNullableColumns()` Retrieves whether columns in this database may be defined as non-nullable.
`abstract boolean`	`supportsOpenCursorsAcrossCommit()` Retrieves whether this database supports keeping cursors open across commits.
`abstract boolean`	`supportsOpenCursorsAcrossRollback()` Retrieves whether this database supports keeping cursors open across rollbacks.
`abstract boolean`	`supportsOpenStatementsAcrossCommit()` Retrieves whether this database supports keeping statements open across commits.
`abstract boolean`	`supportsOpenStatementsAcrossRollback()` Retrieves whether this database supports keeping statements open across rollbacks.
`abstract boolean`	`supportsOrderByUnrelated()` Retrieves whether this database supports using a column that is not in the `SELECT` statement in an `ORDER BY` clause.
`abstract boolean`	`supportsOuterJoins()` Retrieves whether this database supports some form of outer join.
`abstract boolean`	`supportsPositionedDelete()` Retrieves whether this database supports positioned `DELETE` statements.
`abstract boolean`	`supportsPositionedUpdate()` Retrieves whether this database supports positioned `UPDATE` statements.
`abstract boolean`	`supportsResultSetConcurrency(int type, int concurrency)` Retrieves whether this database supports the given concurrency type in combination with the given result set type.
`abstract boolean`	`supportsResultSetHoldability(int holdability)` Retrieves whether this database supports the given result set holdability.
`abstract boolean`	`supportsResultSetType(int type)` Retrieves whether this database supports the given result set type.
`abstract boolean`	`supportsSavepoints()` Retrieves whether this database supports savepoints.
`abstract boolean`	`supportsSchemasInDataManipulation()` Retrieves whether a schema name can be used in a data manipulation statement.
`abstract boolean`	`supportsSchemasInIndexDefinitions()` Retrieves whether a schema name can be used in an index definition statement.
`abstract boolean`	`supportsSchemasInPrivilegeDefinitions()` Retrieves whether a schema name can be used in a privilege definition statement.
`abstract boolean`	`supportsSchemasInProcedureCalls()` Retrieves whether a schema name can be used in a procedure call statement.
`abstract boolean`	`supportsSchemasInTableDefinitions()` Retrieves whether a schema name can be used in a table definition statement.
`abstract boolean`	`supportsSelectForUpdate()` Retrieves whether this database supports `SELECT FOR UPDATE` statements.
`abstract boolean`	`supportsStatementPooling()` Retrieves whether this database supports statement pooling.
`abstract boolean`	`supportsStoredFunctionsUsingCallSyntax()` Retrieves whether this database supports invoking user-defined or vendor functions using the stored procedure escape syntax.
`abstract boolean`	`supportsStoredProcedures()` Retrieves whether this database supports stored procedure calls that use the stored procedure escape syntax.
`abstract boolean`	`supportsSubqueriesInComparisons()` Retrieves whether this database supports subqueries in comparison expressions.
`abstract boolean`	`supportsSubqueriesInExists()` Retrieves whether this database supports subqueries in `EXISTS` expressions.
`abstract boolean`	`supportsSubqueriesInIns()` Retrieves whether this database supports subqueries in `IN` expressions.
`abstract boolean`	`supportsSubqueriesInQuantifieds()` Retrieves whether this database supports subqueries in quantified expressions.
`abstract boolean`	`supportsTableCorrelationNames()` Retrieves whether this database supports table correlation names.
`abstract boolean`	`supportsTransactionIsolationLevel(int level)` Retrieves whether this database supports the given transaction isolation level.
`abstract boolean`	`supportsTransactions()` Retrieves whether this database supports transactions.
`abstract boolean`	`supportsUnion()` Retrieves whether this database supports SQL `UNION`.
`abstract boolean`	`supportsUnionAll()` Retrieves whether this database supports SQL `UNION ALL`.
`abstract boolean`	`updatesAreDetected(int type)` Retrieves whether or not a visible row update can be detected by calling the method `ResultSet.rowUpdated`.
`abstract boolean`	`usesLocalFilePerTable()` Retrieves whether this database uses a file for each table.
`abstract boolean`	`usesLocalFiles()` Retrieves whether this database stores tables in a local file.

Inherited methods

From interface


        
          java.sql.Wrapper

`abstract boolean`	`isWrapperFor(Class<?> iface)` Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.
`abstract <T> T`	`unwrap(Class<T> iface)` Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.

Constants

attributeNoNulls

Added in API level 1

public static final short attributeNoNulls

Indicates that NULL values might not be allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getAttributes.

Constant Value: 0 (0x00000000)

attributeNullable

Added in API level 1

public static final short attributeNullable

Indicates that NULL values are definitely allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getAttributes.

Constant Value: 1 (0x00000001)

attributeNullableUnknown

Added in API level 1

public static final short attributeNullableUnknown

Indicates that whether NULL values are allowed is not known.

A possible value for the column NULLABLE in the ResultSet object returned by the method getAttributes.

Constant Value: 2 (0x00000002)

bestRowNotPseudo

Added in API level 1

public static final int bestRowNotPseudo

Indicates that the best row identifier is NOT a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 1 (0x00000001)

bestRowPseudo

Added in API level 1

public static final int bestRowPseudo

Indicates that the best row identifier is a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 2 (0x00000002)

bestRowSession

Added in API level 1

public static final int bestRowSession

Indicates that the scope of the best row identifier is the remainder of the current session.

A possible value for the column SCOPE in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 2 (0x00000002)

bestRowTemporary

Added in API level 1

public static final int bestRowTemporary

Indicates that the scope of the best row identifier is very temporary, lasting only while the row is being used.

A possible value for the column SCOPE in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 0 (0x00000000)

bestRowTransaction

Added in API level 1

public static final int bestRowTransaction

Indicates that the scope of the best row identifier is the remainder of the current transaction.

A possible value for the column SCOPE in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 1 (0x00000001)

bestRowUnknown

Added in API level 1

public static final int bestRowUnknown

Indicates that the best row identifier may or may not be a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getBestRowIdentifier.

Constant Value: 0 (0x00000000)

columnNoNulls

Added in API level 1

public static final int columnNoNulls

Indicates that the column might not allow NULL values.

A possible value for the column NULLABLE in the ResultSet returned by the method getColumns.

Constant Value: 0 (0x00000000)

columnNullable

Added in API level 1

public static final int columnNullable

Indicates that the column definitely allows NULL values.

A possible value for the column NULLABLE in the ResultSet returned by the method getColumns.

Constant Value: 1 (0x00000001)

columnNullableUnknown

Added in API level 1

public static final int columnNullableUnknown

Indicates that the nullability of columns is unknown.

A possible value for the column NULLABLE in the ResultSet returned by the method getColumns.

Constant Value: 2 (0x00000002)

functionColumnIn

Added in API level 9

public static final int functionColumnIn

Indicates that the parameter or column is an IN parameter.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 1 (0x00000001)

functionColumnInOut

Added in API level 9

public static final int functionColumnInOut

Indicates that the parameter or column is an INOUT parameter.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 2 (0x00000002)

functionColumnOut

Added in API level 9

public static final int functionColumnOut

Indicates that the parameter or column is an OUT parameter.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 3 (0x00000003)

functionColumnResult

Added in API level 9

public static final int functionColumnResult

Indicates that the parameter or column is a column in a result set.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 5 (0x00000005)

functionColumnUnknown

Added in API level 9

public static final int functionColumnUnknown

Indicates that type of the parameter or column is unknown.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 0 (0x00000000)

functionNoNulls

Added in API level 9

public static final int functionNoNulls

Indicates that NULL values are not allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getFunctionColumns.

Constant Value: 0 (0x00000000)

functionNoTable

Added in API level 9

public static final int functionNoTable

Indicates that the function does not return a table.

A possible value for column FUNCTION_TYPE in the ResultSet object returned by the method getFunctions.

Constant Value: 1 (0x00000001)

functionNullable

Added in API level 9

public static final int functionNullable

Indicates that NULL values are allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getFunctionColumns.

Constant Value: 1 (0x00000001)

functionNullableUnknown

Added in API level 9

public static final int functionNullableUnknown

Indicates that whether NULL values are allowed is unknown.

A possible value for the column NULLABLE in the ResultSet object returned by the method getFunctionColumns.

Constant Value: 2 (0x00000002)

functionResultUnknown

Added in API level 9

public static final int functionResultUnknown

Indicates that it is not known whether the function returns a result or a table.

A possible value for column FUNCTION_TYPE in the ResultSet object returned by the method getFunctions.

Constant Value: 0 (0x00000000)

functionReturn

Added in API level 9

public static final int functionReturn

Indicates that the parameter or column is a return value.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getFunctionColumns.

Constant Value: 4 (0x00000004)

functionReturnsTable

Added in API level 9

public static final int functionReturnsTable

Indicates that the function returns a table.

A possible value for column FUNCTION_TYPE in the ResultSet object returned by the method getFunctions.

Constant Value: 2 (0x00000002)

importedKeyCascade

Added in API level 1

public static final int importedKeyCascade

For the column UPDATE_RULE, indicates that when the primary key is updated, the foreign key (imported key) is changed to agree with it. For the column DELETE_RULE, it indicates that when the primary key is deleted, rows that imported that key are deleted.

A possible value for the columns UPDATE_RULE and DELETE_RULE in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 0 (0x00000000)

importedKeyInitiallyDeferred

Added in API level 1

public static final int importedKeyInitiallyDeferred

Indicates deferrability. See SQL-92 for a definition.

A possible value for the column DEFERRABILITY in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 5 (0x00000005)

importedKeyInitiallyImmediate

Added in API level 1

public static final int importedKeyInitiallyImmediate

Indicates deferrability. See SQL-92 for a definition.

A possible value for the column DEFERRABILITY in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 6 (0x00000006)

importedKeyNoAction

Added in API level 1

public static final int importedKeyNoAction

For the columns UPDATE_RULE and DELETE_RULE, indicates that if the primary key has been imported, it cannot be updated or deleted.

A possible value for the columns UPDATE_RULE and DELETE_RULE in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 3 (0x00000003)

importedKeyNotDeferrable

Added in API level 1

public static final int importedKeyNotDeferrable

Indicates deferrability. See SQL-92 for a definition.

A possible value for the column DEFERRABILITY in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 7 (0x00000007)

importedKeyRestrict

Added in API level 1

public static final int importedKeyRestrict

For the column UPDATE_RULE, indicates that a primary key may not be updated if it has been imported by another table as a foreign key. For the column DELETE_RULE, indicates that a primary key may not be deleted if it has been imported by another table as a foreign key.

A possible value for the columns UPDATE_RULE and DELETE_RULE in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 1 (0x00000001)

importedKeySetDefault

Added in API level 1

public static final int importedKeySetDefault

For the columns UPDATE_RULE and DELETE_RULE, indicates that if the primary key is updated or deleted, the foreign key (imported key) is set to the default value.

A possible value for the columns UPDATE_RULE and DELETE_RULE in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 4 (0x00000004)

importedKeySetNull

Added in API level 1

public static final int importedKeySetNull

For the columns UPDATE_RULE and DELETE_RULE, indicates that when the primary key is updated or deleted, the foreign key (imported key) is changed to NULL.

A possible value for the columns UPDATE_RULE and DELETE_RULE in the ResultSet objects returned by the methods getImportedKeys, getExportedKeys, and getCrossReference.

Constant Value: 2 (0x00000002)

procedureColumnIn

Added in API level 1

public static final int procedureColumnIn

Indicates that the column stores IN parameters.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 1 (0x00000001)

procedureColumnInOut

Added in API level 1

public static final int procedureColumnInOut

Indicates that the column stores INOUT parameters.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 2 (0x00000002)

procedureColumnOut

Added in API level 1

public static final int procedureColumnOut

Indicates that the column stores OUT parameters.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 4 (0x00000004)

procedureColumnResult

Added in API level 1

public static final int procedureColumnResult

Indicates that the column stores results.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 3 (0x00000003)

procedureColumnReturn

Added in API level 1

public static final int procedureColumnReturn

Indicates that the column stores return values.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 5 (0x00000005)

procedureColumnUnknown

Added in API level 1

public static final int procedureColumnUnknown

Indicates that type of the column is unknown.

A possible value for the column COLUMN_TYPE in the ResultSet returned by the method getProcedureColumns.

Constant Value: 0 (0x00000000)

procedureNoNulls

Added in API level 1

public static final int procedureNoNulls

Indicates that NULL values are not allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getProcedureColumns.

Constant Value: 0 (0x00000000)

procedureNoResult

Added in API level 1

public static final int procedureNoResult

Indicates that the procedure does not return a result.

A possible value for column PROCEDURE_TYPE in the ResultSet object returned by the method getProcedures.

Constant Value: 1 (0x00000001)

procedureNullable

Added in API level 1

public static final int procedureNullable

Indicates that NULL values are allowed.

A possible value for the column NULLABLE in the ResultSet object returned by the method getProcedureColumns.

Constant Value: 1 (0x00000001)

procedureNullableUnknown

Added in API level 1

public static final int procedureNullableUnknown

Indicates that whether NULL values are allowed is unknown.

A possible value for the column NULLABLE in the ResultSet object returned by the method getProcedureColumns.

Constant Value: 2 (0x00000002)

procedureResultUnknown

Added in API level 1

public static final int procedureResultUnknown

Indicates that it is not known whether the procedure returns a result.

A possible value for column PROCEDURE_TYPE in the ResultSet object returned by the method getProcedures.

Constant Value: 0 (0x00000000)

procedureReturnsResult

Added in API level 1

public static final int procedureReturnsResult

Indicates that the procedure returns a result.

A possible value for column PROCEDURE_TYPE in the ResultSet object returned by the method getProcedures.

Constant Value: 2 (0x00000002)

sqlStateSQL

Added in API level 9

public static final int sqlStateSQL

A possible return value for the method DatabaseMetaData.getSQLStateType which is used to indicate whether the value returned by the method SQLException.getSQLState is an SQLSTATE value.

Constant Value: 2 (0x00000002)

sqlStateSQL99

Added in API level 1

public static final int sqlStateSQL99

A possible return value for the method DatabaseMetaData.getSQLStateType which is used to indicate whether the value returned by the method SQLException.getSQLState is an SQL99 SQLSTATE value.

Note:This constant remains only for compatibility reasons. Developers should use the constant sqlStateSQL instead.

Constant Value: 2 (0x00000002)

sqlStateXOpen

Added in API level 1

public static final int sqlStateXOpen

A possible return value for the method DatabaseMetaData.getSQLStateType which is used to indicate whether the value returned by the method SQLException.getSQLState is an X/Open (now know as Open Group) SQL CLI SQLSTATE value.

Constant Value: 1 (0x00000001)

tableIndexClustered

Added in API level 1

public static final short tableIndexClustered

Indicates that this table index is a clustered index.

A possible value for column TYPE in the ResultSet object returned by the method getIndexInfo.

Constant Value: 1 (0x00000001)

tableIndexHashed

Added in API level 1

public static final short tableIndexHashed

Indicates that this table index is a hashed index.

A possible value for column TYPE in the ResultSet object returned by the method getIndexInfo.

Constant Value: 2 (0x00000002)

tableIndexOther

Added in API level 1

public static final short tableIndexOther

Indicates that this table index is not a clustered index, a hashed index, or table statistics; it is something other than these.

A possible value for column TYPE in the ResultSet object returned by the method getIndexInfo.

Constant Value: 3 (0x00000003)

tableIndexStatistic

Added in API level 1

public static final short tableIndexStatistic

Indicates that this column contains table statistics that are returned in conjunction with a table's index descriptions.

A possible value for column TYPE in the ResultSet object returned by the method getIndexInfo.

Constant Value: 0 (0x00000000)

typeNoNulls

Added in API level 1

public static final int typeNoNulls

Indicates that a NULL value is NOT allowed for this data type.

A possible value for column NULLABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 0 (0x00000000)

typeNullable

Added in API level 1

public static final int typeNullable

Indicates that a NULL value is allowed for this data type.

A possible value for column NULLABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 1 (0x00000001)

typeNullableUnknown

Added in API level 1

public static final int typeNullableUnknown

Indicates that it is not known whether a NULL value is allowed for this data type.

A possible value for column NULLABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 2 (0x00000002)

typePredBasic

Added in API level 1

public static final int typePredBasic

Indicates that the data type can be only be used in WHERE search clauses that do not use LIKE predicates.

A possible value for column SEARCHABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 2 (0x00000002)

typePredChar

Added in API level 1

public static final int typePredChar

Indicates that the data type can be only be used in WHERE search clauses that use LIKE predicates.

A possible value for column SEARCHABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 1 (0x00000001)

typePredNone

Added in API level 1

public static final int typePredNone

Indicates that WHERE search clauses are not supported for this type.

A possible value for column SEARCHABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 0 (0x00000000)

typeSearchable

Added in API level 1

public static final int typeSearchable

Indicates that all WHERE search clauses can be based on this type.

A possible value for column SEARCHABLE in the ResultSet object returned by the method getTypeInfo.

Constant Value: 3 (0x00000003)

versionColumnNotPseudo

Added in API level 1

public static final int versionColumnNotPseudo

Indicates that this version column is NOT a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getVersionColumns.

Constant Value: 1 (0x00000001)

versionColumnPseudo

Added in API level 1

public static final int versionColumnPseudo

Indicates that this version column is a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getVersionColumns.

Constant Value: 2 (0x00000002)

versionColumnUnknown

Added in API level 1

public static final int versionColumnUnknown

Indicates that this version column may or may not be a pseudo column.

A possible value for the column PSEUDO_COLUMN in the ResultSet object returned by the method getVersionColumns.

Constant Value: 0 (0x00000000)

Public methods

allProceduresAreCallable

Added in API level 1

public abstract boolean allProceduresAreCallable ()

Retrieves whether the current user can call all the procedures returned by the method getProcedures.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

allTablesAreSelectable

Added in API level 1

public abstract boolean allTablesAreSelectable ()

Retrieves whether the current user can use all the tables returned by the method getTables in a SELECT statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

autoCommitFailureClosesAllResultSets

Added in API level 9

public abstract boolean autoCommitFailureClosesAllResultSets ()

Retrieves whether a SQLException while autoCommit is true inidcates that all open ResultSets are closed, even ones that are holdable. When a SQLException occurs while autocommit is true, it is vendor specific whether the JDBC driver responds with a commit operation, a rollback operation, or by doing neither a commit nor a rollback. A potential result of this difference is in whether or not holdable ResultSets are closed.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

dataDefinitionCausesTransactionCommit

Added in API level 1

public abstract boolean dataDefinitionCausesTransactionCommit ()

Retrieves whether a data definition statement within a transaction forces the transaction to commit.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

dataDefinitionIgnoredInTransactions

Added in API level 1

public abstract boolean dataDefinitionIgnoredInTransactions ()

Retrieves whether this database ignores a data definition statement within a transaction.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

deletesAreDetected

Added in API level 1

public abstract boolean deletesAreDetected (int type)

Retrieves whether or not a visible row delete can be detected by calling the method ResultSet.rowDeleted. If the method deletesAreDetected returns false, it means that deleted rows are removed from the result set.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if deletes are detected by the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

doesMaxRowSizeIncludeBlobs

Added in API level 1

public abstract boolean doesMaxRowSizeIncludeBlobs ()

Retrieves whether the return value for the method getMaxRowSize includes the SQL data types LONGVARCHAR and LONGVARBINARY.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

getAttributes

Added in API level 1

public abstract ResultSet getAttributes (String catalog, 
                String schemaPattern, 
                String typeNamePattern, 
                String attributeNamePattern)

Retrieves a description of the given attribute of the given type for a user-defined type (UDT) that is available in the given schema and catalog.

Descriptions are returned only for attributes of UDTs matching the catalog, schema, type, and attribute name criteria. They are ordered by TYPE_CAT, TYPE_SCHEM, TYPE_NAME and ORDINAL_POSITION. This description does not contain inherited attributes.

The ResultSet object that is returned has the following columns:

TYPE_CAT String => type catalog (may be null)
TYPE_SCHEM String => type schema (may be null)
TYPE_NAME String => type name
ATTR_NAME String => attribute name
DATA_TYPE int => attribute type SQL type from java.sql.Types
ATTR_TYPE_NAME String => Data source dependent type name. For a UDT, the type name is fully qualified. For a REF, the type name is fully qualified and represents the target type of the reference type.
ATTR_SIZE int => column size. For char or date types this is the maximum number of characters; for numeric or decimal types this is precision.
DECIMAL_DIGITS int => the number of fractional digits. Null is returned for data types where DECIMAL_DIGITS is not applicable.
NUM_PREC_RADIX int => Radix (typically either 10 or 2)
NULLABLE int => whether NULL is allowed
- attributeNoNulls - might not allow NULL values
- attributeNullable - definitely allows NULL values
- attributeNullableUnknown - nullability unknown
REMARKS String => comment describing column (may be null)
ATTR_DEF String => default value (may be null)
SQL_DATA_TYPE int => unused
SQL_DATETIME_SUB int => unused
CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
ORDINAL_POSITION int => index of the attribute in the UDT (starting at 1)
IS_NULLABLE String => ISO rules are used to determine the nullability for a attribute.
- YES --- if the attribute can include NULLs
- NO --- if the attribute cannot include NULLs
- empty string --- if the nullability for the attribute is unknown
SCOPE_CATALOG String => catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF)
SCOPE_SCHEMA String => schema of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF)
SCOPE_TABLE String => table name that is the scope of a reference attribute (null if the DATA_TYPE isn't REF)
SOURCE_DATA_TYPE short => source type of a distinct type or user-generated Ref type,SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF)

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`typeNamePattern`	`String`: a type name pattern; must match the type name as it is stored in the database
`attributeNamePattern`	`String`: an attribute name pattern; must match the attribute name as it is declared in the database

Returns
`ResultSet`	a `ResultSet` object in which each row is an attribute description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getBestRowIdentifier

Added in API level 1

public abstract ResultSet getBestRowIdentifier (String catalog, 
                String schema, 
                String table, 
                int scope, 
                boolean nullable)

Retrieves a description of a table's optimal set of columns that uniquely identifies a row. They are ordered by SCOPE.

Each column description has the following columns:

SCOPE short => actual scope of result
- bestRowTemporary - very temporary, while using row
- bestRowTransaction - valid for remainder of current transaction
- bestRowSession - valid for remainder of current session
COLUMN_NAME String => column name
DATA_TYPE int => SQL data type from java.sql.Types
TYPE_NAME String => Data source dependent type name, for a UDT the type name is fully qualified
COLUMN_SIZE int => precision
BUFFER_LENGTH int => not used
DECIMAL_DIGITS short => scale - Null is returned for data types where DECIMAL_DIGITS is not applicable.
PSEUDO_COLUMN short => is this a pseudo column like an Oracle ROWID
- bestRowUnknown - may or may not be pseudo column
- bestRowNotPseudo - is NOT a pseudo column
- bestRowPseudo - is a pseudo column

The COLUMN_SIZE column represents the specified column size for the given column. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. Null is returned for data types where the column size is not applicable.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in the database
`scope`	`int`: the scope of interest; use same values as SCOPE
`nullable`	`boolean`: include columns that are nullable.

Returns
`ResultSet`	`ResultSet` - each row is a column description

Throws
`SQLException`	if a database access error occurs

getCatalogSeparator

Added in API level 1

public abstract String getCatalogSeparator ()

Retrieves the String that this database uses as the separator between a catalog and table name.

Returns
`String`	the separator string

Throws
`SQLException`	if a database access error occurs

getCatalogTerm

Added in API level 1

public abstract String getCatalogTerm ()

Retrieves the database vendor's preferred term for "catalog".

Returns
`String`	the vendor term for "catalog"

Throws
`SQLException`	if a database access error occurs

getCatalogs

Added in API level 1

public abstract ResultSet getCatalogs ()

Retrieves the catalog names available in this database. The results are ordered by catalog name.

The catalog column is:

TABLE_CAT String => catalog name

Returns
`ResultSet`	a `ResultSet` object in which each row has a single `String` column that is a catalog name

Throws
`SQLException`	if a database access error occurs

getClientInfoProperties

Added in API level 9

public abstract ResultSet getClientInfoProperties ()

Retrieves a list of the client info properties that the driver supports. The result set contains the following columns

NAME String=> The name of the client info property
MAX_LEN int=> The maximum length of the value for the property
DEFAULT_VALUE String=> The default value of the property
DESCRIPTION String=> A description of the property. This will typically contain information as to where this property is stored in the database.

The ResultSet is sorted by the NAME column

Returns
`ResultSet`	A `ResultSet` object; each row is a supported client info property

Throws
`SQLException`	if a database access error occurs

getColumnPrivileges

Added in API level 1

public abstract ResultSet getColumnPrivileges (String catalog, 
                String schema, 
                String table, 
                String columnNamePattern)

Retrieves a description of the access rights for a table's columns.

Only privileges matching the column name criteria are returned. They are ordered by COLUMN_NAME and PRIVILEGE.

Each privilige description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
COLUMN_NAME String => column name
GRANTOR String => grantor of access (may be null)
GRANTEE String => grantee of access
PRIVILEGE String => name of access (SELECT, INSERT, UPDATE, REFRENCES, ...)
IS_GRANTABLE String => "YES" if grantee is permitted to grant to others; "NO" if not; null if unknown

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in the database
`columnNamePattern`	`String`: a column name pattern; must match the column name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a column privilege description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getColumns

Added in API level 1

public abstract ResultSet getColumns (String catalog, 
                String schemaPattern, 
                String tableNamePattern, 
                String columnNamePattern)

Retrieves a description of table columns available in the specified catalog.

Only column descriptions matching the catalog, schema, table and column name criteria are returned. They are ordered by TABLE_CAT,TABLE_SCHEM, TABLE_NAME, and ORDINAL_POSITION.

Each column description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
COLUMN_NAME String => column name
DATA_TYPE int => SQL type from java.sql.Types
TYPE_NAME String => Data source dependent type name, for a UDT the type name is fully qualified
COLUMN_SIZE int => column size.
BUFFER_LENGTH is not used.
DECIMAL_DIGITS int => the number of fractional digits. Null is returned for data types where DECIMAL_DIGITS is not applicable.
NUM_PREC_RADIX int => Radix (typically either 10 or 2)
NULLABLE int => is NULL allowed.
- columnNoNulls - might not allow NULL values
- columnNullable - definitely allows NULL values
- columnNullableUnknown - nullability unknown
REMARKS String => comment describing column (may be null)
COLUMN_DEF String => default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null)
SQL_DATA_TYPE int => unused
SQL_DATETIME_SUB int => unused
CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
ORDINAL_POSITION int => index of column in table (starting at 1)
IS_NULLABLE String => ISO rules are used to determine the nullability for a column.
- YES --- if the column can include NULLs
- NO --- if the column cannot include NULLs
- empty string --- if the nullability for the column is unknown
SCOPE_CATALOG String => catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF)
SCOPE_SCHEMA String => schema of table that is the scope of a reference attribute (null if the DATA_TYPE isn't REF)
SCOPE_TABLE String => table name that this the scope of a reference attribute (null if the DATA_TYPE isn't REF)
SOURCE_DATA_TYPE short => source type of a distinct type or user-generated Ref type, SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF)
IS_AUTOINCREMENT String => Indicates whether this column is auto incremented
- YES --- if the column is auto incremented
- NO --- if the column is not auto incremented
- empty string --- if it cannot be determined whether the column is auto incremented
IS_GENERATEDCOLUMN String => Indicates whether this is a generated column
- YES --- if this a generated column
- NO --- if this not a generated column
- empty string --- if it cannot be determined whether this is a generated column

The COLUMN_SIZE column specifies the column size for the given column. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. Null is returned for data types where the column size is not applicable.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`tableNamePattern`	`String`: a table name pattern; must match the table name as it is stored in the database
`columnNamePattern`	`String`: a column name pattern; must match the column name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a column description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getConnection

Added in API level 1

public abstract Connection getConnection ()

Retrieves the connection that produced this metadata object.

Returns
`Connection`	the connection that produced this metadata object

Throws
`SQLException`	if a database access error occurs

getCrossReference

Added in API level 1

public abstract ResultSet getCrossReference (String parentCatalog, 
                String parentSchema, 
                String parentTable, 
                String foreignCatalog, 
                String foreignSchema, 
                String foreignTable)

Retrieves a description of the foreign key columns in the given foreign key table that reference the primary key or the columns representing a unique constraint of the parent table (could be the same or a different table). The number of columns returned from the parent table must match the number of columns that make up the foreign key. They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.

Each foreign key column description has the following columns:

PKTABLE_CAT String => parent key table catalog (may be null)
PKTABLE_SCHEM String => parent key table schema (may be null)
PKTABLE_NAME String => parent key table name
PKCOLUMN_NAME String => parent key column name
FKTABLE_CAT String => foreign key table catalog (may be null) being exported (may be null)
FKTABLE_SCHEM String => foreign key table schema (may be null) being exported (may be null)
FKTABLE_NAME String => foreign key table name being exported
FKCOLUMN_NAME String => foreign key column name being exported
KEY_SEQ short => sequence number within foreign key( a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
UPDATE_RULE short => What happens to foreign key when parent key is updated:
- importedNoAction - do not allow update of parent key if it has been imported
- importedKeyCascade - change imported key to agree with parent key update
- importedKeySetNull - change imported key to NULL if its parent key has been updated
- importedKeySetDefault - change imported key to default values if its parent key has been updated
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
DELETE_RULE short => What happens to the foreign key when parent key is deleted.
- importedKeyNoAction - do not allow delete of parent key if it has been imported
- importedKeyCascade - delete rows that import a deleted key
- importedKeySetNull - change imported key to NULL if its primary key has been deleted
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
- importedKeySetDefault - change imported key to default if its parent key has been deleted
FK_NAME String => foreign key name (may be null)
PK_NAME String => parent key name (may be null)
DEFERRABILITY short => can the evaluation of foreign key constraints be deferred until commit
- importedKeyInitiallyDeferred - see SQL92 for definition
- importedKeyInitiallyImmediate - see SQL92 for definition
- importedKeyNotDeferrable - see SQL92 for definition

Parameters
`parentCatalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means drop catalog name from the selection criteria
`parentSchema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means drop schema name from the selection criteria
`parentTable`	`String`: the name of the table that exports the key; must match the table name as it is stored in the database
`foreignCatalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means drop catalog name from the selection criteria
`foreignSchema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means drop schema name from the selection criteria
`foreignTable`	`String`: the name of the table that imports the key; must match the table name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a foreign key column description

Throws
`SQLException`	if a database access error occurs

See also:

getImportedKeys(String, String, String)

getDatabaseMajorVersion

Added in API level 1

public abstract int getDatabaseMajorVersion ()

Retrieves the major version number of the underlying database.

Returns
`int`	the underlying database's major version

Throws
`SQLException`	if a database access error occurs

getDatabaseMinorVersion

Added in API level 1

public abstract int getDatabaseMinorVersion ()

Retrieves the minor version number of the underlying database.

Returns
`int`	underlying database's minor version

Throws
`SQLException`	if a database access error occurs

getDatabaseProductName

Added in API level 1

public abstract String getDatabaseProductName ()

Retrieves the name of this database product.

Returns
`String`	database product name

Throws
`SQLException`	if a database access error occurs

getDatabaseProductVersion

Added in API level 1

public abstract String getDatabaseProductVersion ()

Retrieves the version number of this database product.

Returns
`String`	database version number

Throws
`SQLException`	if a database access error occurs

getDefaultTransactionIsolation

Added in API level 1

public abstract int getDefaultTransactionIsolation ()

Retrieves this database's default transaction isolation level. The possible values are defined in java.sql.Connection.

Returns
`int`	the default isolation level

Throws
`SQLException`	if a database access error occurs

See also:

Connection

getDriverMajorVersion

Added in API level 1

public abstract int getDriverMajorVersion ()

Retrieves this JDBC driver's major version number.

Returns
`int`	JDBC driver major version

getDriverMinorVersion

Added in API level 1

public abstract int getDriverMinorVersion ()

Retrieves this JDBC driver's minor version number.

Returns
`int`	JDBC driver minor version number

getDriverName

Added in API level 1

public abstract String getDriverName ()

Retrieves the name of this JDBC driver.

Returns
`String`	JDBC driver name

Throws
`SQLException`	if a database access error occurs

getDriverVersion

Added in API level 1

public abstract String getDriverVersion ()

Retrieves the version number of this JDBC driver as a String.

Returns
`String`	JDBC driver version

Throws
`SQLException`	if a database access error occurs

getExportedKeys

Added in API level 1

public abstract ResultSet getExportedKeys (String catalog, 
                String schema, 
                String table)

Retrieves a description of the foreign key columns that reference the given table's primary key columns (the foreign keys exported by a table). They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.

Each foreign key column description has the following columns:

PKTABLE_CAT String => primary key table catalog (may be null)
PKTABLE_SCHEM String => primary key table schema (may be null)
PKTABLE_NAME String => primary key table name
PKCOLUMN_NAME String => primary key column name
FKTABLE_CAT String => foreign key table catalog (may be null) being exported (may be null)
FKTABLE_SCHEM String => foreign key table schema (may be null) being exported (may be null)
FKTABLE_NAME String => foreign key table name being exported
FKCOLUMN_NAME String => foreign key column name being exported
KEY_SEQ short => sequence number within foreign key( a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
UPDATE_RULE short => What happens to foreign key when primary is updated:
- importedNoAction - do not allow update of primary key if it has been imported
- importedKeyCascade - change imported key to agree with primary key update
- importedKeySetNull - change imported key to NULL if its primary key has been updated
- importedKeySetDefault - change imported key to default values if its primary key has been updated
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
DELETE_RULE short => What happens to the foreign key when primary is deleted.
- importedKeyNoAction - do not allow delete of primary key if it has been imported
- importedKeyCascade - delete rows that import a deleted key
- importedKeySetNull - change imported key to NULL if its primary key has been deleted
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
- importedKeySetDefault - change imported key to default if its primary key has been deleted
FK_NAME String => foreign key name (may be null)
PK_NAME String => primary key name (may be null)
DEFERRABILITY short => can the evaluation of foreign key constraints be deferred until commit
- importedKeyInitiallyDeferred - see SQL92 for definition
- importedKeyInitiallyImmediate - see SQL92 for definition
- importedKeyNotDeferrable - see SQL92 for definition

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in this database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in this database

Returns
`ResultSet`	a `ResultSet` object in which each row is a foreign key column description

Throws
`SQLException`	if a database access error occurs

See also:

getImportedKeys(String, String, String)

getExtraNameCharacters

Added in API level 1

public abstract String getExtraNameCharacters ()

Retrieves all the "extra" characters that can be used in unquoted identifier names (those beyond a-z, A-Z, 0-9 and _).

Returns
`String`	the string containing the extra characters

Throws
`SQLException`	if a database access error occurs

getFunctionColumns

Added in API level 9

public abstract ResultSet getFunctionColumns (String catalog, 
                String schemaPattern, 
                String functionNamePattern, 
                String columnNamePattern)

Retrieves a description of the given catalog's system or user function parameters and return type.

Only descriptions matching the schema, function and parameter name criteria are returned. They are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME. Within this, the return value, if any, is first. Next are the parameter descriptions in call order. The column descriptions follow in column number order.

Each row in the ResultSet is a parameter description, column description or return type description with the following fields:

FUNCTION_CAT String => function catalog (may be null)
FUNCTION_SCHEM String => function schema (may be null)
FUNCTION_NAME String => function name. This is the name used to invoke the function
COLUMN_NAME String => column/parameter name
COLUMN_TYPE Short => kind of column/parameter:
- functionColumnUnknown - nobody knows
- functionColumnIn - IN parameter
- functionColumnInOut - INOUT parameter
- functionColumnOut - OUT parameter
- functionColumnReturn - function return value
- functionColumnResult - Indicates that the parameter or column is a column in the ResultSet
DATA_TYPE int => SQL type from java.sql.Types
TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified
PRECISION int => precision
LENGTH int => length in bytes of data
SCALE short => scale - null is returned for data types where SCALE is not applicable.
RADIX short => radix
NULLABLE short => can it contain NULL.
- functionNoNulls - does not allow NULL values
- functionNullable - allows NULL values
- functionNullableUnknown - nullability unknown
REMARKS String => comment describing column/parameter
CHAR_OCTET_LENGTH int => the maximum length of binary and character based parameters or columns. For any other datatype the returned value is a NULL
ORDINAL_POSITION int => the ordinal position, starting from 1, for the input and output parameters. A value of 0 is returned if this row describes the function's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1.
IS_NULLABLE String => ISO rules are used to determine the nullability for a parameter or column.
- YES --- if the parameter or column can include NULLs
- NO --- if the parameter or column cannot include NULLs
- empty string --- if the nullability for the parameter or column is unknown
SPECIFIC_NAME String => the name which uniquely identifies this function within its schema. This is a user specified, or DBMS generated, name that may be different then the FUNCTION_NAME for example with overload functions

The PRECISION column represents the specified column size for the given parameter or column. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. Null is returned for data types where the column size is not applicable.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`functionNamePattern`	`String`: a procedure name pattern; must match the function name as it is stored in the database
`columnNamePattern`	`String`: a parameter name pattern; must match the parameter or column name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row describes a user function parameter, column or return type

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getFunctions

Added in API level 9

public abstract ResultSet getFunctions (String catalog, 
                String schemaPattern, 
                String functionNamePattern)

Retrieves a description of the system and user functions available in the given catalog.

Only system and user function descriptions matching the schema and function name criteria are returned. They are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME.

Each function description has the the following columns:

FUNCTION_CAT String => function catalog (may be null)
FUNCTION_SCHEM String => function schema (may be null)
FUNCTION_NAME String => function name. This is the name used to invoke the function
REMARKS String => explanatory comment on the function
FUNCTION_TYPE short => kind of function:
- functionResultUnknown - Cannot determine if a return value or table will be returned
- functionNoTable- Does not return a table
- functionReturnsTable - Returns a table
SPECIFIC_NAME String => the name which uniquely identifies this function within its schema. This is a user specified, or DBMS generated, name that may be different then the FUNCTION_NAME for example with overload functions

A user may not have permission to execute any of the functions that are returned by getFunctions

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`functionNamePattern`	`String`: a function name pattern; must match the function name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a function description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getIdentifierQuoteString

Added in API level 1

public abstract String getIdentifierQuoteString ()

Retrieves the string used to quote SQL identifiers. This method returns a space " " if identifier quoting is not supported.

Returns
`String`	the quoting string or a space if quoting is not supported

Throws
`SQLException`	if a database access error occurs

getImportedKeys

Added in API level 1

public abstract ResultSet getImportedKeys (String catalog, 
                String schema, 
                String table)

Retrieves a description of the primary key columns that are referenced by the given table's foreign key columns (the primary keys imported by a table). They are ordered by PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.

Each primary key column description has the following columns:

PKTABLE_CAT String => primary key table catalog being imported (may be null)
PKTABLE_SCHEM String => primary key table schema being imported (may be null)
PKTABLE_NAME String => primary key table name being imported
PKCOLUMN_NAME String => primary key column name being imported
FKTABLE_CAT String => foreign key table catalog (may be null)
FKTABLE_SCHEM String => foreign key table schema (may be null)
FKTABLE_NAME String => foreign key table name
FKCOLUMN_NAME String => foreign key column name
KEY_SEQ short => sequence number within a foreign key( a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
UPDATE_RULE short => What happens to a foreign key when the primary key is updated:
- importedNoAction - do not allow update of primary key if it has been imported
- importedKeyCascade - change imported key to agree with primary key update
- importedKeySetNull - change imported key to NULL if its primary key has been updated
- importedKeySetDefault - change imported key to default values if its primary key has been updated
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
DELETE_RULE short => What happens to the foreign key when primary is deleted.
- importedKeyNoAction - do not allow delete of primary key if it has been imported
- importedKeyCascade - delete rows that import a deleted key
- importedKeySetNull - change imported key to NULL if its primary key has been deleted
- importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
- importedKeySetDefault - change imported key to default if its primary key has been deleted
FK_NAME String => foreign key name (may be null)
PK_NAME String => primary key name (may be null)
DEFERRABILITY short => can the evaluation of foreign key constraints be deferred until commit
- importedKeyInitiallyDeferred - see SQL92 for definition
- importedKeyInitiallyImmediate - see SQL92 for definition
- importedKeyNotDeferrable - see SQL92 for definition

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a primary key column description

Throws
`SQLException`	if a database access error occurs

See also:

getExportedKeys(String, String, String)

getIndexInfo

Added in API level 1

public abstract ResultSet getIndexInfo (String catalog, 
                String schema, 
                String table, 
                boolean unique, 
                boolean approximate)

Retrieves a description of the given table's indices and statistics. They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.

Each index column description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
NON_UNIQUE boolean => Can index values be non-unique. false when TYPE is tableIndexStatistic
INDEX_QUALIFIER String => index catalog (may be null); null when TYPE is tableIndexStatistic
INDEX_NAME String => index name; null when TYPE is tableIndexStatistic
TYPE short => index type:
- tableIndexStatistic - this identifies table statistics that are returned in conjuction with a table's index descriptions
- tableIndexClustered - this is a clustered index
- tableIndexHashed - this is a hashed index
- tableIndexOther - this is some other style of index
ORDINAL_POSITION short => column sequence number within index; zero when TYPE is tableIndexStatistic
COLUMN_NAME String => column name; null when TYPE is tableIndexStatistic
ASC_OR_DESC String => column sort sequence, "A" => ascending, "D" => descending, may be null if sort sequence is not supported; null when TYPE is tableIndexStatistic
CARDINALITY int => When TYPE is tableIndexStatistic, then this is the number of rows in the table; otherwise, it is the number of unique values in the index.
PAGES int => When TYPE is tableIndexStatisic then this is the number of pages used for the table, otherwise it is the number of pages used for the current index.
FILTER_CONDITION String => Filter condition, if any. (may be null)

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in this database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in this database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in this database
`unique`	`boolean`: when true, return only indices for unique values; when false, return indices regardless of whether unique or not
`approximate`	`boolean`: when true, result is allowed to reflect approximate or out of data values; when false, results are requested to be accurate

Returns
`ResultSet`	`ResultSet` - each row is an index column description

Throws
`SQLException`	if a database access error occurs

getJDBCMajorVersion

Added in API level 1

public abstract int getJDBCMajorVersion ()

Retrieves the major JDBC version number for this driver.

Returns
`int`	JDBC version major number

Throws
`SQLException`	if a database access error occurs

getJDBCMinorVersion

Added in API level 1

public abstract int getJDBCMinorVersion ()

Retrieves the minor JDBC version number for this driver.

Returns
`int`	JDBC version minor number

Throws
`SQLException`	if a database access error occurs

getMaxBinaryLiteralLength

Added in API level 1

public abstract int getMaxBinaryLiteralLength ()

Retrieves the maximum number of hex characters this database allows in an inline binary literal.

Returns
`int`	max the maximum length (in hex characters) for a binary literal; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxCatalogNameLength

Added in API level 1

public abstract int getMaxCatalogNameLength ()

Retrieves the maximum number of characters that this database allows in a catalog name.

Returns
`int`	the maximum number of characters allowed in a catalog name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxCharLiteralLength

Added in API level 1

public abstract int getMaxCharLiteralLength ()

Retrieves the maximum number of characters this database allows for a character literal.

Returns
`int`	the maximum number of characters allowed for a character literal; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnNameLength

Added in API level 1

public abstract int getMaxColumnNameLength ()

Retrieves the maximum number of characters this database allows for a column name.

Returns
`int`	the maximum number of characters allowed for a column name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnsInGroupBy

Added in API level 1

public abstract int getMaxColumnsInGroupBy ()

Retrieves the maximum number of columns this database allows in a GROUP BY clause.

Returns
`int`	the maximum number of columns allowed; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnsInIndex

Added in API level 1

public abstract int getMaxColumnsInIndex ()

Retrieves the maximum number of columns this database allows in an index.

Returns
`int`	the maximum number of columns allowed; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnsInOrderBy

Added in API level 1

public abstract int getMaxColumnsInOrderBy ()

Retrieves the maximum number of columns this database allows in an ORDER BY clause.

Returns
`int`	the maximum number of columns allowed; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnsInSelect

Added in API level 1

public abstract int getMaxColumnsInSelect ()

Retrieves the maximum number of columns this database allows in a SELECT list.

Returns
`int`	the maximum number of columns allowed; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxColumnsInTable

Added in API level 1

public abstract int getMaxColumnsInTable ()

Retrieves the maximum number of columns this database allows in a table.

Returns
`int`	the maximum number of columns allowed; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxConnections

Added in API level 1

public abstract int getMaxConnections ()

Retrieves the maximum number of concurrent connections to this database that are possible.

Returns
`int`	the maximum number of active connections possible at one time; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxCursorNameLength

Added in API level 1

public abstract int getMaxCursorNameLength ()

Retrieves the maximum number of characters that this database allows in a cursor name.

Returns
`int`	the maximum number of characters allowed in a cursor name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxIndexLength

Added in API level 1

public abstract int getMaxIndexLength ()

Retrieves the maximum number of bytes this database allows for an index, including all of the parts of the index.

Returns
`int`	the maximum number of bytes allowed; this limit includes the composite of all the constituent parts of the index; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxProcedureNameLength

Added in API level 1

public abstract int getMaxProcedureNameLength ()

Retrieves the maximum number of characters that this database allows in a procedure name.

Returns
`int`	the maximum number of characters allowed in a procedure name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxRowSize

Added in API level 1

public abstract int getMaxRowSize ()

Retrieves the maximum number of bytes this database allows in a single row.

Returns
`int`	the maximum number of bytes allowed for a row; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxSchemaNameLength

Added in API level 1

public abstract int getMaxSchemaNameLength ()

Retrieves the maximum number of characters that this database allows in a schema name.

Returns
`int`	the maximum number of characters allowed in a schema name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxStatementLength

Added in API level 1

public abstract int getMaxStatementLength ()

Retrieves the maximum number of characters this database allows in an SQL statement.

Returns
`int`	the maximum number of characters allowed for an SQL statement; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxStatements

Added in API level 1

public abstract int getMaxStatements ()

Retrieves the maximum number of active statements to this database that can be open at the same time.

Returns
`int`	the maximum number of statements that can be open at one time; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxTableNameLength

Added in API level 1

public abstract int getMaxTableNameLength ()

Retrieves the maximum number of characters this database allows in a table name.

Returns
`int`	the maximum number of characters allowed for a table name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxTablesInSelect

Added in API level 1

public abstract int getMaxTablesInSelect ()

Retrieves the maximum number of tables this database allows in a SELECT statement.

Returns
`int`	the maximum number of tables allowed in a `SELECT` statement; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getMaxUserNameLength

Added in API level 1

public abstract int getMaxUserNameLength ()

Retrieves the maximum number of characters this database allows in a user name.

Returns
`int`	the maximum number of characters allowed for a user name; a result of zero means that there is no limit or the limit is not known

Throws
`SQLException`	if a database access error occurs

getNumericFunctions

Added in API level 1

public abstract String getNumericFunctions ()

Retrieves a comma-separated list of math functions available with this database. These are the Open /Open CLI math function names used in the JDBC function escape clause.

Returns
`String`	the list of math functions supported by this database

Throws
`SQLException`	if a database access error occurs

getPrimaryKeys

Added in API level 1

public abstract ResultSet getPrimaryKeys (String catalog, 
                String schema, 
                String table)

Retrieves a description of the given table's primary key columns. They are ordered by COLUMN_NAME.

Each primary key column description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
COLUMN_NAME String => column name
KEY_SEQ short => sequence number within primary key( a value of 1 represents the first column of the primary key, a value of 2 would represent the second column within the primary key).
PK_NAME String => primary key name (may be null)

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a primary key column description

Throws
`SQLException`	if a database access error occurs

getProcedureColumns

Added in API level 1

public abstract ResultSet getProcedureColumns (String catalog, 
                String schemaPattern, 
                String procedureNamePattern, 
                String columnNamePattern)

Retrieves a description of the given catalog's stored procedure parameter and result columns.

Only descriptions matching the schema, procedure and parameter name criteria are returned. They are ordered by PROCEDURE_CAT, PROCEDURE_SCHEM, PROCEDURE_NAME and SPECIFIC_NAME. Within this, the return value, if any, is first. Next are the parameter descriptions in call order. The column descriptions follow in column number order.

Each row in the ResultSet is a parameter description or column description with the following fields:

PROCEDURE_CAT String => procedure catalog (may be null)
PROCEDURE_SCHEM String => procedure schema (may be null)
PROCEDURE_NAME String => procedure name
COLUMN_NAME String => column/parameter name
COLUMN_TYPE Short => kind of column/parameter:
- procedureColumnUnknown - nobody knows
- procedureColumnIn - IN parameter
- procedureColumnInOut - INOUT parameter
- procedureColumnOut - OUT parameter
- procedureColumnReturn - procedure return value
- procedureColumnResult - result column in ResultSet
DATA_TYPE int => SQL type from java.sql.Types
TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified
PRECISION int => precision
LENGTH int => length in bytes of data
SCALE short => scale - null is returned for data types where SCALE is not applicable.
RADIX short => radix
NULLABLE short => can it contain NULL.
- procedureNoNulls - does not allow NULL values
- procedureNullable - allows NULL values
- procedureNullableUnknown - nullability unknown
REMARKS String => comment describing parameter/column
COLUMN_DEF String => default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null)
- The string NULL (not enclosed in quotes) - if NULL was specified as the default value
- TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation
- NULL - if a default value was not specified
SQL_DATA_TYPE int => reserved for future use
SQL_DATETIME_SUB int => reserved for future use
CHAR_OCTET_LENGTH int => the maximum length of binary and character based columns. For any other datatype the returned value is a NULL
ORDINAL_POSITION int => the ordinal position, starting from 1, for the input and output parameters for a procedure. A value of 0 is returned if this row describes the procedure's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1. If there are multiple result sets, the column ordinal positions are implementation defined.
IS_NULLABLE String => ISO rules are used to determine the nullability for a column.
- YES --- if the column can include NULLs
- NO --- if the column cannot include NULLs
- empty string --- if the nullability for the column is unknown
SPECIFIC_NAME String => the name which uniquely identifies this procedure within its schema.

Note: Some databases may not return the column descriptions for a procedure.

The PRECISION column represents the specified column size for the given column. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. Null is returned for data types where the column size is not applicable.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`procedureNamePattern`	`String`: a procedure name pattern; must match the procedure name as it is stored in the database
`columnNamePattern`	`String`: a column name pattern; must match the column name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row describes a stored procedure parameter or column

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getProcedureTerm

Added in API level 1

public abstract String getProcedureTerm ()

Retrieves the database vendor's preferred term for "procedure".

Returns
`String`	the vendor term for "procedure"

Throws
`SQLException`	if a database access error occurs

getProcedures

Added in API level 1

public abstract ResultSet getProcedures (String catalog, 
                String schemaPattern, 
                String procedureNamePattern)

Retrieves a description of the stored procedures available in the given catalog.

Only procedure descriptions matching the schema and procedure name criteria are returned. They are ordered by PROCEDURE_CAT, PROCEDURE_SCHEM, PROCEDURE_NAME and SPECIFIC_ NAME.

Each procedure description has the the following columns:

PROCEDURE_CAT String => procedure catalog (may be null)
PROCEDURE_SCHEM String => procedure schema (may be null)
PROCEDURE_NAME String => procedure name
reserved for future use
reserved for future use
reserved for future use
REMARKS String => explanatory comment on the procedure
PROCEDURE_TYPE short => kind of procedure:
- procedureResultUnknown - Cannot determine if a return value will be returned
- procedureNoResult - Does not return a return value
- procedureReturnsResult - Returns a return value
SPECIFIC_NAME String => The name which uniquely identifies this procedure within its schema.

A user may not have permissions to execute any of the procedures that are returned by getProcedures

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`procedureNamePattern`	`String`: a procedure name pattern; must match the procedure name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a procedure description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getResultSetHoldability

Added in API level 1

public abstract int getResultSetHoldability ()

Retrieves this database's default holdability for ResultSet objects.

Returns
`int`	the default holdability; either `ResultSet.HOLD_CURSORS_OVER_COMMIT` or `ResultSet.CLOSE_CURSORS_AT_COMMIT`

Throws
`SQLException`	if a database access error occurs

getRowIdLifetime

Added in API level 9

public abstract RowIdLifetime getRowIdLifetime ()

Indicates whether or not this data source supports the SQL ROWID type, and if so the lifetime for which a RowId object remains valid.

The returned int values have the following relationship:

     ROWID_UNSUPPORTED < ROWID_VALID_OTHER < ROWID_VALID_TRANSACTION
         < ROWID_VALID_SESSION < ROWID_VALID_FOREVER

so conditional logic such as

     if (metadata.getRowIdLifetime() > DatabaseMetaData.ROWID_VALID_TRANSACTION)

can be used. Valid Forever means valid across all Sessions, and valid for a Session means valid across all its contained Transactions.

Returns
`RowIdLifetime`	the status indicating the lifetime of a `RowId`

Throws
`SQLException`	if a database access error occurs

getSQLKeywords

Added in API level 1

public abstract String getSQLKeywords ()

Retrieves a comma-separated list of all of this database's SQL keywords that are NOT also SQL:2003 keywords.

Returns
`String`	the list of this database's keywords that are not also SQL:2003 keywords

Throws
`SQLException`	if a database access error occurs

getSQLStateType

Added in API level 1

public abstract int getSQLStateType ()

Indicates whether the SQLSTATE returned by SQLException.getSQLState is X/Open (now known as Open Group) SQL CLI or SQL:2003.

Returns
`int`	the type of SQLSTATE; one of: sqlStateXOpen or sqlStateSQL

Throws
`SQLException`	if a database access error occurs

getSchemaTerm

Added in API level 1

public abstract String getSchemaTerm ()

Retrieves the database vendor's preferred term for "schema".

Returns
`String`	the vendor term for "schema"

Throws
`SQLException`	if a database access error occurs

getSchemas

Added in API level 9

public abstract ResultSet getSchemas (String catalog, 
                String schemaPattern)

Retrieves the schema names available in this database. The results are ordered by TABLE_CATALOG and TABLE_SCHEM.

The schema columns are:

TABLE_SCHEM String => schema name
TABLE_CATALOG String => catalog name (may be null)

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database;"" retrieves those without a catalog; null means catalog name should not be used to narrow down the search.
`schemaPattern`	`String`: a schema name; must match the schema name as it is stored in the database; null means schema name should not be used to narrow down the search.

Returns
`ResultSet`	a `ResultSet` object in which each row is a schema description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getSchemas

Added in API level 1

public abstract ResultSet getSchemas ()

Retrieves the schema names available in this database. The results are ordered by TABLE_CATALOG and TABLE_SCHEM.

The schema columns are:

TABLE_SCHEM String => schema name
TABLE_CATALOG String => catalog name (may be null)

Returns
`ResultSet`	a `ResultSet` object in which each row is a schema description

Throws
`SQLException`	if a database access error occurs

getSearchStringEscape

Added in API level 1

public abstract String getSearchStringEscape ()

Retrieves the string that can be used to escape wildcard characters. This is the string that can be used to escape '_' or '%' in the catalog search parameters that are a pattern (and therefore use one of the wildcard characters).

The '_' character represents any single character; the '%' character represents any sequence of zero or more characters.

Returns
`String`	the string used to escape wildcard characters

Throws
`SQLException`	if a database access error occurs

getStringFunctions

Added in API level 1

public abstract String getStringFunctions ()

Retrieves a comma-separated list of string functions available with this database. These are the Open Group CLI string function names used in the JDBC function escape clause.

Returns
`String`	the list of string functions supported by this database

Throws
`SQLException`	if a database access error occurs

getSuperTables

Added in API level 1

public abstract ResultSet getSuperTables (String catalog, 
                String schemaPattern, 
                String tableNamePattern)

Retrieves a description of the table hierarchies defined in a particular schema in this database.

Only supertable information for tables matching the catalog, schema and table name are returned. The table name parameter may be a fully- qualified name, in which case, the catalog and schemaPattern parameters are ignored. If a table does not have a super table, it is not listed here. Supertables have to be defined in the same catalog and schema as the sub tables. Therefore, the type description does not need to include this information for the supertable.

Each type description has the following columns:

TABLE_CAT String => the type's catalog (may be null)
TABLE_SCHEM String => type's schema (may be null)
TABLE_NAME String => type name
SUPERTABLE_NAME String => the direct super type's name

Note: If the driver does not support type hierarchies, an empty result set is returned.

Parameters
`catalog`	`String`: a catalog name; "" retrieves those without a catalog; `null` means drop catalog name from the selection criteria
`schemaPattern`	`String`: a schema name pattern; "" retrieves those without a schema
`tableNamePattern`	`String`: a table name pattern; may be a fully-qualified name

Returns
`ResultSet`	a `ResultSet` object in which each row is a type description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getSuperTypes

Added in API level 1

public abstract ResultSet getSuperTypes (String catalog, 
                String schemaPattern, 
                String typeNamePattern)

Retrieves a description of the user-defined type (UDT) hierarchies defined in a particular schema in this database. Only the immediate super type/ sub type relationship is modeled.

Only supertype information for UDTs matching the catalog, schema, and type name is returned. The type name parameter may be a fully-qualified name. When the UDT name supplied is a fully-qualified name, the catalog and schemaPattern parameters are ignored.

If a UDT does not have a direct super type, it is not listed here. A row of the ResultSet object returned by this method describes the designated UDT and a direct supertype. A row has the following columns:

TYPE_CAT String => the UDT's catalog (may be null)
TYPE_SCHEM String => UDT's schema (may be null)
TYPE_NAME String => type name of the UDT
SUPERTYPE_CAT String => the direct super type's catalog (may be null)
SUPERTYPE_SCHEM String => the direct super type's schema (may be null)
SUPERTYPE_NAME String => the direct super type's name

Note: If the driver does not support type hierarchies, an empty result set is returned.

Parameters
`catalog`	`String`: a catalog name; "" retrieves those without a catalog; `null` means drop catalog name from the selection criteria
`schemaPattern`	`String`: a schema name pattern; "" retrieves those without a schema
`typeNamePattern`	`String`: a UDT name pattern; may be a fully-qualified name

Returns
`ResultSet`	a `ResultSet` object in which a row gives information about the designated UDT

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getSystemFunctions

Added in API level 1

public abstract String getSystemFunctions ()

Retrieves a comma-separated list of system functions available with this database. These are the Open Group CLI system function names used in the JDBC function escape clause.

Returns
`String`	a list of system functions supported by this database

Throws
`SQLException`	if a database access error occurs

getTablePrivileges

Added in API level 1

public abstract ResultSet getTablePrivileges (String catalog, 
                String schemaPattern, 
                String tableNamePattern)

Retrieves a description of the access rights for each table available in a catalog. Note that a table privilege applies to one or more columns in the table. It would be wrong to assume that this privilege applies to all columns (this may be true for some systems but is not true for all.)

Only privileges matching the schema and table name criteria are returned. They are ordered by TABLE_CAT, TABLE_SCHEM, TABLE_NAME, and PRIVILEGE.

Each privilige description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
GRANTOR String => grantor of access (may be null)
GRANTEE String => grantee of access
PRIVILEGE String => name of access (SELECT, INSERT, UPDATE, REFRENCES, ...)
IS_GRANTABLE String => "YES" if grantee is permitted to grant to others; "NO" if not; null if unknown

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`tableNamePattern`	`String`: a table name pattern; must match the table name as it is stored in the database

Returns
`ResultSet`	`ResultSet` - each row is a table privilege description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getTableTypes

Added in API level 1

public abstract ResultSet getTableTypes ()

Retrieves the table types available in this database. The results are ordered by table type.

The table type is:

TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".

Returns
`ResultSet`	a `ResultSet` object in which each row has a single `String` column that is a table type

Throws
`SQLException`	if a database access error occurs

getTables

Added in API level 1

public abstract ResultSet getTables (String catalog, 
                String schemaPattern, 
                String tableNamePattern, 
                String[] types)

Retrieves a description of the tables available in the given catalog. Only table descriptions matching the catalog, schema, table name and type criteria are returned. They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME.

Each table description has the following columns:

TABLE_CAT String => table catalog (may be null)
TABLE_SCHEM String => table schema (may be null)
TABLE_NAME String => table name
TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
REMARKS String => explanatory comment on the table
TYPE_CAT String => the types catalog (may be null)
TYPE_SCHEM String => the types schema (may be null)
TYPE_NAME String => type name (may be null)
SELF_REFERENCING_COL_NAME String => name of the designated "identifier" column of a typed table (may be null)
REF_GENERATION String => specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null)

Note: Some databases may not return information for all tables.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema name pattern; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`tableNamePattern`	`String`: a table name pattern; must match the table name as it is stored in the database
`types`	`String`: a list of table types, which must be from the list of table types returned from `getTableTypes()`,to include; `null` returns all types

Returns
`ResultSet`	`ResultSet` - each row is a table description

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getTimeDateFunctions

Added in API level 1

public abstract String getTimeDateFunctions ()

Retrieves a comma-separated list of the time and date functions available with this database.

Returns
`String`	the list of time and date functions supported by this database

Throws
`SQLException`	if a database access error occurs

getTypeInfo

Added in API level 1

public abstract ResultSet getTypeInfo ()

Retrieves a description of all the data types supported by this database. They are ordered by DATA_TYPE and then by how closely the data type maps to the corresponding JDBC SQL type.

If the database supports SQL distinct types, then getTypeInfo() will return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT. If the database supports SQL structured types, then getTypeInfo() will return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT.

If SQL distinct or structured types are supported, then information on the individual types may be obtained from the getUDTs() method.

Each type description has the following columns:

TYPE_NAME String => Type name
DATA_TYPE int => SQL data type from java.sql.Types
PRECISION int => maximum precision
LITERAL_PREFIX String => prefix used to quote a literal (may be null)
LITERAL_SUFFIX String => suffix used to quote a literal (may be null)
CREATE_PARAMS String => parameters used in creating the type (may be null)
NULLABLE short => can you use NULL for this type.
- typeNoNulls - does not allow NULL values
- typeNullable - allows NULL values
- typeNullableUnknown - nullability unknown
CASE_SENSITIVE boolean=> is it case sensitive.
SEARCHABLE short => can you use "WHERE" based on this type:
- typePredNone - No support
- typePredChar - Only supported with WHERE .. LIKE
- typePredBasic - Supported except for WHERE .. LIKE
- typeSearchable - Supported for all WHERE ..
UNSIGNED_ATTRIBUTE boolean => is it unsigned.
FIXED_PREC_SCALE boolean => can it be a money value.
AUTO_INCREMENT boolean => can it be used for an auto-increment value.
LOCAL_TYPE_NAME String => localized version of type name (may be null)
MINIMUM_SCALE short => minimum scale supported
MAXIMUM_SCALE short => maximum scale supported
SQL_DATA_TYPE int => unused
SQL_DATETIME_SUB int => unused
NUM_PREC_RADIX int => usually 2 or 10

The PRECISION column represents the maximum column size that the server supports for the given datatype. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. Null is returned for data types where the column size is not applicable.

Returns
`ResultSet`	a `ResultSet` object in which each row is an SQL type description

Throws
`SQLException`	if a database access error occurs

getUDTs

Added in API level 1

public abstract ResultSet getUDTs (String catalog, 
                String schemaPattern, 
                String typeNamePattern, 
                int[] types)

Retrieves a description of the user-defined types (UDTs) defined in a particular schema. Schema-specific UDTs may have type JAVA_OBJECT, STRUCT, or DISTINCT.

Only types matching the catalog, schema, type name and type criteria are returned. They are ordered by DATA_TYPE, TYPE_CAT, TYPE_SCHEM and TYPE_NAME. The type name parameter may be a fully-qualified name. In this case, the catalog and schemaPattern parameters are ignored.

Each type description has the following columns:

TYPE_CAT String => the type's catalog (may be null)
TYPE_SCHEM String => type's schema (may be null)
TYPE_NAME String => type name
CLASS_NAME String => Java class name
DATA_TYPE int => type value defined in java.sql.Types. One of JAVA_OBJECT, STRUCT, or DISTINCT
REMARKS String => explanatory comment on the type
BASE_TYPE short => type code of the source type of a DISTINCT type or the type that implements the user-generated reference type of the SELF_REFERENCING_COLUMN of a structured type as defined in java.sql.Types (null if DATA_TYPE is not DISTINCT or not STRUCT with REFERENCE_GENERATION = USER_DEFINED)

Note: If the driver does not support UDTs, an empty result set is returned.

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schemaPattern`	`String`: a schema pattern name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`typeNamePattern`	`String`: a type name pattern; must match the type name as it is stored in the database; may be a fully qualified name
`types`	`int`: a list of user-defined types (JAVA_OBJECT, STRUCT, or DISTINCT) to include; `null` returns all types

Returns
`ResultSet`	`ResultSet` object in which each row describes a UDT

Throws
`SQLException`	if a database access error occurs

See also:

getSearchStringEscape()

getURL

Added in API level 1

public abstract String getURL ()

Retrieves the URL for this DBMS.

Returns
`String`	the URL for this DBMS or `null` if it cannot be generated

Throws
`SQLException`	if a database access error occurs

getUserName

Added in API level 1

public abstract String getUserName ()

Retrieves the user name as known to this database.

Returns
`String`	the database user name

Throws
`SQLException`	if a database access error occurs

getVersionColumns

Added in API level 1

public abstract ResultSet getVersionColumns (String catalog, 
                String schema, 
                String table)

Retrieves a description of a table's columns that are automatically updated when any value in a row is updated. They are unordered.

Each column description has the following columns:

SCOPE short => is not used
COLUMN_NAME String => column name
DATA_TYPE int => SQL data type from java.sql.Types
TYPE_NAME String => Data source-dependent type name
COLUMN_SIZE int => precision
BUFFER_LENGTH int => length of column value in bytes
DECIMAL_DIGITS short => scale - Null is returned for data types where DECIMAL_DIGITS is not applicable.
PSEUDO_COLUMN short => whether this is pseudo column like an Oracle ROWID
- versionColumnUnknown - may or may not be pseudo column
- versionColumnNotPseudo - is NOT a pseudo column
- versionColumnPseudo - is a pseudo column

Parameters
`catalog`	`String`: a catalog name; must match the catalog name as it is stored in the database; "" retrieves those without a catalog; `null` means that the catalog name should not be used to narrow the search
`schema`	`String`: a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; `null` means that the schema name should not be used to narrow the search
`table`	`String`: a table name; must match the table name as it is stored in the database

Returns
`ResultSet`	a `ResultSet` object in which each row is a column description

Throws
`SQLException`	if a database access error occurs

insertsAreDetected

Added in API level 1

public abstract boolean insertsAreDetected (int type)

Retrieves whether or not a visible row insert can be detected by calling the method ResultSet.rowInserted.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if changes are detected by the specified result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

isCatalogAtStart

Added in API level 1

public abstract boolean isCatalogAtStart ()

Retrieves whether a catalog appears at the start of a fully qualified table name. If not, the catalog appears at the end.

Returns
`boolean`	`true` if the catalog name appears at the beginning of a fully qualified table name; `false` otherwise

Throws
`SQLException`	if a database access error occurs

isReadOnly

Added in API level 1

public abstract boolean isReadOnly ()

Retrieves whether this database is in read-only mode.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

locatorsUpdateCopy

Added in API level 1

public abstract boolean locatorsUpdateCopy ()

Indicates whether updates made to a LOB are made on a copy or directly to the LOB.

Returns
`boolean`	`true` if updates are made to a copy of the LOB; `false` if updates are made directly to the LOB

Throws
`SQLException`	if a database access error occurs

nullPlusNonNullIsNull

Added in API level 1

public abstract boolean nullPlusNonNullIsNull ()

Retrieves whether this database supports concatenations between NULL and non-NULL values being NULL.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

nullsAreSortedAtEnd

Added in API level 1

public abstract boolean nullsAreSortedAtEnd ()

Retrieves whether NULL values are sorted at the end regardless of sort order.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

nullsAreSortedAtStart

Added in API level 1

public abstract boolean nullsAreSortedAtStart ()

Retrieves whether NULL values are sorted at the start regardless of sort order.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

nullsAreSortedHigh

Added in API level 1

public abstract boolean nullsAreSortedHigh ()

Retrieves whether NULL values are sorted high. Sorted high means that NULL values sort higher than any other value in a domain. In an ascending order, if this method returns true, NULL values will appear at the end. By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

nullsAreSortedLow

Added in API level 1

public abstract boolean nullsAreSortedLow ()

Retrieves whether NULL values are sorted low. Sorted low means that NULL values sort lower than any other value in a domain. In an ascending order, if this method returns true, NULL values will appear at the beginning. By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

othersDeletesAreVisible

Added in API level 1

public abstract boolean othersDeletesAreVisible (int type)

Retrieves whether deletes made by others are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if deletes made by others are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

othersInsertsAreVisible

Added in API level 1

public abstract boolean othersInsertsAreVisible (int type)

Retrieves whether inserts made by others are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if inserts made by others are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

othersUpdatesAreVisible

Added in API level 1

public abstract boolean othersUpdatesAreVisible (int type)

Retrieves whether updates made by others are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if updates made by others are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

ownDeletesAreVisible

Added in API level 1

public abstract boolean ownDeletesAreVisible (int type)

Retrieves whether a result set's own deletes are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if deletes are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

ownInsertsAreVisible

Added in API level 1

public abstract boolean ownInsertsAreVisible (int type)

Retrieves whether a result set's own inserts are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if inserts are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

ownUpdatesAreVisible

Added in API level 1

public abstract boolean ownUpdatesAreVisible (int type)

Retrieves whether for the given type of ResultSet object, the result set's own updates are visible.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if updates are visible for the given result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesLowerCaseIdentifiers

Added in API level 1

public abstract boolean storesLowerCaseIdentifiers ()

Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in lower case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesLowerCaseQuotedIdentifiers

Added in API level 1

public abstract boolean storesLowerCaseQuotedIdentifiers ()

Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in lower case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesMixedCaseIdentifiers

Added in API level 1

public abstract boolean storesMixedCaseIdentifiers ()

Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in mixed case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesMixedCaseQuotedIdentifiers

Added in API level 1

public abstract boolean storesMixedCaseQuotedIdentifiers ()

Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in mixed case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesUpperCaseIdentifiers

Added in API level 1

public abstract boolean storesUpperCaseIdentifiers ()

Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in upper case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

storesUpperCaseQuotedIdentifiers

Added in API level 1

public abstract boolean storesUpperCaseQuotedIdentifiers ()

Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in upper case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsANSI92EntryLevelSQL

Added in API level 1

public abstract boolean supportsANSI92EntryLevelSQL ()

Retrieves whether this database supports the ANSI92 entry level SQL grammar.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsANSI92FullSQL

Added in API level 1

public abstract boolean supportsANSI92FullSQL ()

Retrieves whether this database supports the ANSI92 full SQL grammar supported.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsANSI92IntermediateSQL

Added in API level 1

public abstract boolean supportsANSI92IntermediateSQL ()

Retrieves whether this database supports the ANSI92 intermediate SQL grammar supported.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsAlterTableWithAddColumn

Added in API level 1

public abstract boolean supportsAlterTableWithAddColumn ()

Retrieves whether this database supports ALTER TABLE with add column.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsAlterTableWithDropColumn

Added in API level 1

public abstract boolean supportsAlterTableWithDropColumn ()

Retrieves whether this database supports ALTER TABLE with drop column.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsBatchUpdates

Added in API level 1

public abstract boolean supportsBatchUpdates ()

Retrieves whether this database supports batch updates.

Returns
`boolean`	`true` if this database supports batch upcates; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCatalogsInDataManipulation

Added in API level 1

public abstract boolean supportsCatalogsInDataManipulation ()

Retrieves whether a catalog name can be used in a data manipulation statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCatalogsInIndexDefinitions

Added in API level 1

public abstract boolean supportsCatalogsInIndexDefinitions ()

Retrieves whether a catalog name can be used in an index definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCatalogsInPrivilegeDefinitions

Added in API level 1

public abstract boolean supportsCatalogsInPrivilegeDefinitions ()

Retrieves whether a catalog name can be used in a privilege definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCatalogsInProcedureCalls

Added in API level 1

public abstract boolean supportsCatalogsInProcedureCalls ()

Retrieves whether a catalog name can be used in a procedure call statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCatalogsInTableDefinitions

Added in API level 1

public abstract boolean supportsCatalogsInTableDefinitions ()

Retrieves whether a catalog name can be used in a table definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsColumnAliasing

Added in API level 1

public abstract boolean supportsColumnAliasing ()

Retrieves whether this database supports column aliasing.

If so, the SQL AS clause can be used to provide names for computed columns or to provide alias names for columns as required.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsConvert

Added in API level 1

public abstract boolean supportsConvert (int fromType, 
                int toType)

Retrieves whether this database supports the JDBC scalar function CONVERT for conversions between the JDBC types fromType and toType. The JDBC types are the generic SQL data types defined in java.sql.Types.

Parameters
`fromType`	`int`: the type to convert from; one of the type codes from the class `java.sql.Types`
`toType`	`int`: the type to convert to; one of the type codes from the class `java.sql.Types`

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

See also:

Types

supportsConvert

Added in API level 1

public abstract boolean supportsConvert ()

Retrieves whether this database supports the JDBC scalar function CONVERT for the conversion of one JDBC type to another. The JDBC types are the generic SQL data types defined in java.sql.Types.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCoreSQLGrammar

Added in API level 1

public abstract boolean supportsCoreSQLGrammar ()

Retrieves whether this database supports the ODBC Core SQL grammar.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsCorrelatedSubqueries

Added in API level 1

public abstract boolean supportsCorrelatedSubqueries ()

Retrieves whether this database supports correlated subqueries.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsDataDefinitionAndDataManipulationTransactions

Added in API level 1

public abstract boolean supportsDataDefinitionAndDataManipulationTransactions ()

Retrieves whether this database supports both data definition and data manipulation statements within a transaction.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsDataManipulationTransactionsOnly

Added in API level 1

public abstract boolean supportsDataManipulationTransactionsOnly ()

Retrieves whether this database supports only data manipulation statements within a transaction.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsDifferentTableCorrelationNames

Added in API level 1

public abstract boolean supportsDifferentTableCorrelationNames ()

Retrieves whether, when table correlation names are supported, they are restricted to being different from the names of the tables.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsExpressionsInOrderBy

Added in API level 1

public abstract boolean supportsExpressionsInOrderBy ()

Retrieves whether this database supports expressions in ORDER BY lists.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsExtendedSQLGrammar

Added in API level 1

public abstract boolean supportsExtendedSQLGrammar ()

Retrieves whether this database supports the ODBC Extended SQL grammar.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsFullOuterJoins

Added in API level 1

public abstract boolean supportsFullOuterJoins ()

Retrieves whether this database supports full nested outer joins.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsGetGeneratedKeys

Added in API level 1

public abstract boolean supportsGetGeneratedKeys ()

Retrieves whether auto-generated keys can be retrieved after a statement has been executed

Returns

boolean

true if auto-generated keys can be retrieved after a statement has executed; false otherwise

If true is returned, the JDBC driver must support the returning of auto-generated keys for at least SQL INSERT statements

Throws
`SQLException`	if a database access error occurs

supportsGroupBy

Added in API level 1

public abstract boolean supportsGroupBy ()

Retrieves whether this database supports some form of GROUP BY clause.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsGroupByBeyondSelect

Added in API level 1

public abstract boolean supportsGroupByBeyondSelect ()

Retrieves whether this database supports using columns not included in the SELECT statement in a GROUP BY clause provided that all of the columns in the SELECT statement are included in the GROUP BY clause.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsGroupByUnrelated

Added in API level 1

public abstract boolean supportsGroupByUnrelated ()

Retrieves whether this database supports using a column that is not in the SELECT statement in a GROUP BY clause.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsIntegrityEnhancementFacility

Added in API level 1

public abstract boolean supportsIntegrityEnhancementFacility ()

Retrieves whether this database supports the SQL Integrity Enhancement Facility.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsLikeEscapeClause

Added in API level 1

public abstract boolean supportsLikeEscapeClause ()

Retrieves whether this database supports specifying a LIKE escape clause.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsLimitedOuterJoins

Added in API level 1

public abstract boolean supportsLimitedOuterJoins ()

Retrieves whether this database provides limited support for outer joins. (This will be true if the method supportsFullOuterJoins returns true).

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsMinimumSQLGrammar

Added in API level 1

public abstract boolean supportsMinimumSQLGrammar ()

Retrieves whether this database supports the ODBC Minimum SQL grammar.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsMixedCaseIdentifiers

Added in API level 1

public abstract boolean supportsMixedCaseIdentifiers ()

Retrieves whether this database treats mixed case unquoted SQL identifiers as case sensitive and as a result stores them in mixed case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsMixedCaseQuotedIdentifiers

Added in API level 1

public abstract boolean supportsMixedCaseQuotedIdentifiers ()

Retrieves whether this database treats mixed case quoted SQL identifiers as case sensitive and as a result stores them in mixed case.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsMultipleOpenResults

Added in API level 1

public abstract boolean supportsMultipleOpenResults ()

Retrieves whether it is possible to have multiple ResultSet objects returned from a CallableStatement object simultaneously.

Returns
`boolean`	`true` if a `CallableStatement` object can return multiple `ResultSet` objects simultaneously; `false` otherwise

Throws
`SQLException`	if a datanase access error occurs

supportsMultipleResultSets

Added in API level 1

public abstract boolean supportsMultipleResultSets ()

Retrieves whether this database supports getting multiple ResultSet objects from a single call to the method execute.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsMultipleTransactions

Added in API level 1

public abstract boolean supportsMultipleTransactions ()

Retrieves whether this database allows having multiple transactions open at once (on different connections).

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsNamedParameters

Added in API level 1

public abstract boolean supportsNamedParameters ()

Retrieves whether this database supports named parameters to callable statements.

Returns
`boolean`	`true` if named parameters are supported; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsNonNullableColumns

Added in API level 1

public abstract boolean supportsNonNullableColumns ()

Retrieves whether columns in this database may be defined as non-nullable.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsOpenCursorsAcrossCommit

Added in API level 1

public abstract boolean supportsOpenCursorsAcrossCommit ()

Retrieves whether this database supports keeping cursors open across commits.

Returns
`boolean`	`true` if cursors always remain open; `false` if they might not remain open

Throws
`SQLException`	if a database access error occurs

supportsOpenCursorsAcrossRollback

Added in API level 1

public abstract boolean supportsOpenCursorsAcrossRollback ()

Retrieves whether this database supports keeping cursors open across rollbacks.

Returns
`boolean`	`true` if cursors always remain open; `false` if they might not remain open

Throws
`SQLException`	if a database access error occurs

supportsOpenStatementsAcrossCommit

Added in API level 1

public abstract boolean supportsOpenStatementsAcrossCommit ()

Retrieves whether this database supports keeping statements open across commits.

Returns
`boolean`	`true` if statements always remain open; `false` if they might not remain open

Throws
`SQLException`	if a database access error occurs

supportsOpenStatementsAcrossRollback

Added in API level 1

public abstract boolean supportsOpenStatementsAcrossRollback ()

Retrieves whether this database supports keeping statements open across rollbacks.

Returns
`boolean`	`true` if statements always remain open; `false` if they might not remain open

Throws
`SQLException`	if a database access error occurs

supportsOrderByUnrelated

Added in API level 1

public abstract boolean supportsOrderByUnrelated ()

Retrieves whether this database supports using a column that is not in the SELECT statement in an ORDER BY clause.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsOuterJoins

Added in API level 1

public abstract boolean supportsOuterJoins ()

Retrieves whether this database supports some form of outer join.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsPositionedDelete

Added in API level 1

public abstract boolean supportsPositionedDelete ()

Retrieves whether this database supports positioned DELETE statements.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsPositionedUpdate

Added in API level 1

public abstract boolean supportsPositionedUpdate ()

Retrieves whether this database supports positioned UPDATE statements.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsResultSetConcurrency

Added in API level 1

public abstract boolean supportsResultSetConcurrency (int type, 
                int concurrency)

Retrieves whether this database supports the given concurrency type in combination with the given result set type.

Parameters
`type`	`int`: defined in `java.sql.ResultSet`
`concurrency`	`int`: type defined in `java.sql.ResultSet`

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

See also:

Connection

supportsResultSetHoldability

Added in API level 1

public abstract boolean supportsResultSetHoldability (int holdability)

Retrieves whether this database supports the given result set holdability.

Parameters
`holdability`	`int`: one of the following constants: `ResultSet.HOLD_CURSORS_OVER_COMMIT` or `ResultSet.CLOSE_CURSORS_AT_COMMIT`

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

See also:

Connection

supportsResultSetType

Added in API level 1

public abstract boolean supportsResultSetType (int type)

Retrieves whether this database supports the given result set type.

Parameters
`type`	`int`: defined in `java.sql.ResultSet`

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

See also:

Connection

supportsSavepoints

Added in API level 1

public abstract boolean supportsSavepoints ()

Retrieves whether this database supports savepoints.

Returns
`boolean`	`true` if savepoints are supported; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSchemasInDataManipulation

Added in API level 1

public abstract boolean supportsSchemasInDataManipulation ()

Retrieves whether a schema name can be used in a data manipulation statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSchemasInIndexDefinitions

Added in API level 1

public abstract boolean supportsSchemasInIndexDefinitions ()

Retrieves whether a schema name can be used in an index definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSchemasInPrivilegeDefinitions

Added in API level 1

public abstract boolean supportsSchemasInPrivilegeDefinitions ()

Retrieves whether a schema name can be used in a privilege definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSchemasInProcedureCalls

Added in API level 1

public abstract boolean supportsSchemasInProcedureCalls ()

Retrieves whether a schema name can be used in a procedure call statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSchemasInTableDefinitions

Added in API level 1

public abstract boolean supportsSchemasInTableDefinitions ()

Retrieves whether a schema name can be used in a table definition statement.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSelectForUpdate

Added in API level 1

public abstract boolean supportsSelectForUpdate ()

Retrieves whether this database supports SELECT FOR UPDATE statements.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsStatementPooling

Added in API level 1

public abstract boolean supportsStatementPooling ()

Retrieves whether this database supports statement pooling.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsStoredFunctionsUsingCallSyntax

Added in API level 9

public abstract boolean supportsStoredFunctionsUsingCallSyntax ()

Retrieves whether this database supports invoking user-defined or vendor functions using the stored procedure escape syntax.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsStoredProcedures

Added in API level 1

public abstract boolean supportsStoredProcedures ()

Retrieves whether this database supports stored procedure calls that use the stored procedure escape syntax.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSubqueriesInComparisons

Added in API level 1

public abstract boolean supportsSubqueriesInComparisons ()

Retrieves whether this database supports subqueries in comparison expressions.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSubqueriesInExists

Added in API level 1

public abstract boolean supportsSubqueriesInExists ()

Retrieves whether this database supports subqueries in EXISTS expressions.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSubqueriesInIns

Added in API level 1

public abstract boolean supportsSubqueriesInIns ()

Retrieves whether this database supports subqueries in IN expressions.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsSubqueriesInQuantifieds

Added in API level 1

public abstract boolean supportsSubqueriesInQuantifieds ()

Retrieves whether this database supports subqueries in quantified expressions.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsTableCorrelationNames

Added in API level 1

public abstract boolean supportsTableCorrelationNames ()

Retrieves whether this database supports table correlation names.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsTransactionIsolationLevel

Added in API level 1

public abstract boolean supportsTransactionIsolationLevel (int level)

Retrieves whether this database supports the given transaction isolation level.

Parameters
`level`	`int`: one of the transaction isolation levels defined in `java.sql.Connection`

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

See also:

Connection

supportsTransactions

Added in API level 1

public abstract boolean supportsTransactions ()

Retrieves whether this database supports transactions. If not, invoking the method commit is a noop, and the isolation level is TRANSACTION_NONE.

Returns
`boolean`	`true` if transactions are supported; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsUnion

Added in API level 1

public abstract boolean supportsUnion ()

Retrieves whether this database supports SQL UNION.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

supportsUnionAll

Added in API level 1

public abstract boolean supportsUnionAll ()

Retrieves whether this database supports SQL UNION ALL.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs

updatesAreDetected

Added in API level 1

public abstract boolean updatesAreDetected (int type)

Retrieves whether or not a visible row update can be detected by calling the method ResultSet.rowUpdated.

Parameters
`type`	`int`: the `ResultSet` type; one of `ResultSet.TYPE_FORWARD_ONLY`, `ResultSet.TYPE_SCROLL_INSENSITIVE`, or `ResultSet.TYPE_SCROLL_SENSITIVE`

Returns
`boolean`	`true` if changes are detected by the result set type; `false` otherwise

Throws
`SQLException`	if a database access error occurs

usesLocalFilePerTable

Added in API level 1

public abstract boolean usesLocalFilePerTable ()

Retrieves whether this database uses a file for each table.

Returns
`boolean`	`true` if this database uses a local file for each table; `false` otherwise

Throws
`SQLException`	if a database access error occurs

usesLocalFiles

Added in API level 1

public abstract boolean usesLocalFiles ()

Retrieves whether this database stores tables in a local file.

Returns
`boolean`	`true` if so; `false` otherwise

Throws
`SQLException`	if a database access error occurs