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DROP COLLATION(7) PostgreSQL 9.5.0 Documentation DROP COLLATION(7)
DROP_COLLATION - remove a collation
DROP COLLATION [ IF EXISTS ] name [ CASCADE | RESTRICT ]
DROP COLLATION removes a previously defined collation. To be able to
drop a collation, you must own the collation.
Do not throw an error if the collation does not exist. A notice is
issued in this case.
The name of the collation. The collation name can be
Automatically drop objects that depend on the collation.
Refuse to drop the collation if any objects depend on it. This is
To drop the collation named german:
DROP COLLATION german;
The DROP COLLATION command conforms to the SQL standard, apart from the
IF EXISTS option, which is a PostgreSQL extension.
ALTER COLLATION (ALTER_COLLATION(7)), CREATE COLLATION
PostgreSQL 9.5.0 2016 DROP COLLATION(7)