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The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference
by The PostgreSQL Global Development Group
Paperback (6"x9"), 488 pages
ISBN 9781906966058
RRP £14.95 ($19.95)

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1.84 DROP INDEX

Name

DROP INDEX -- remove an index

Synopsis

DROP INDEX [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

Description

DROP INDEX drops an existing index from the database system. To execute this command you must be the owner of the index.

Parameters

IF EXISTS
Do not throw an error if the index does not exist. A notice is issued in this case.
name
The name (optionally schema-qualified) of an index to remove.
CASCADE
Automatically drop objects that depend on the index.
RESTRICT
Refuse to drop the index if any objects depend on it. This is the default.

Examples

This command will remove the index title_idx:

DROP INDEX title_idx;

Compatibility

DROP INDEX is a PostgreSQL language extension. There are no provisions for indexes in the SQL standard.

See Also

CREATE INDEX

ISBN 9781906966058The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command ReferenceSee the print edition