DROP INDEX
7
SQL - Language Statements
DROP INDEX
remove an index
DROP INDEX
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