Warning:
This version of CockroachDB is no longer supported. Cockroach Labs supports the current stable release and two releases prior. Please use one of these supported versions.

The ALTER INDEX statement applies a schema change to an index.

Note:
To understand how CockroachDB changes schema elements without requiring table locking or other user-visible downtime, see Online Schema Changes in CockroachDB.

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

Subcommand Description
RENAME Change the name of an index.
SPLIT AT (Documentation pending) Potentially improve performance by identifying ideal locations to split data in the key-value layer.


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