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The ALTER INDEX statement applies a schema change to an index. For information on using ALTER INDEX, see the pages for its relevant subcommands.
Note:
This statement performs a schema change. For more information about how online schema changes work in CockroachDB, see Online Schema Changes.
Subcommands
| Subcommand | Description | 
|---|---|
| CONFIGURE ZONE | Configure replication zones for an index. | 
| PARTITION BY | Partition, re-partition, or un-partition an index. (Enterprise-only). | 
| RENAME | Change the name of an index. | 
| SPLIT AT | Force a range split at the specified row in the index. | 
| UNSPLIT AT | Remove a range split enforcement at a specified row in the index. | 
Viewing schema changes
This schema change statement is registered as a job.  You can view long-running jobs with SHOW JOBS.