# ALTER RANGE

New in v2.1: The `ALTER RANGE` statement applies a schema change to a system range.

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 RANGE`, see the documents for its relevant subcommands.

Subcommand | Description
--- | ---
`CONFIGURE ZONE` | Configure replication zones for a system range.