# ALTER DATABASE

The `ALTER DATABASE` statement applies a schema change to a database.

Note:

This statement performs a schema change. For more information about how online schema changes work in CockroachDB, see Online Schema Changes.

For information on using `ALTER DATABASE`, see the documents for its relevant subcommands.

Subcommand | Description
--- | ---
`CONFIGURE ZONE` | New in v2.1: Configure replication zones for a database.
`RENAME` | Change the name of a database.