# android.arch.persistence.room.migration

added in[version 1.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

# android.arch.persistence.room.migration

| The`android.arch`Architecture Components packages are no longer maintained. They have been superseded by the corresponding[androidx.\*](https://developer.android.com/jetpack/androidx/migrate)packages. See[androidx.room.migration](https://developer.android.com/reference/androidx/room/migration/package-summary)instead.

## Classes

|--------------------------------------------------------------------------------------------------------|--------------------------------------|
| [Migration](https://developer.android.com/reference/android/arch/persistence/room/migration/Migration) | Base class for a database migration. |

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  ## Classes

  - [Migration](https://developer.android.com/reference/android/arch/persistence/room/migration/Migration)