DROP COLLATION(7) PostgreSQL 18.6 Documentation DROP COLLATION(7) NAME DROP_COLLATION - remove a collation SYNOPSIS DROP COLLATION [ IF EXISTS ] name [ CASCADE | RESTRICT ] DESCRIPTION DROP COLLATION removes a previously defined collation. To be able to drop a collation, you must own the collation. PARAMETERS IF EXISTS Do not throw an error if the collation does not exist. A notice is is- sued in this case. name The name of the collation. The collation name can be schema-qualified. CASCADE Automatically drop objects that depend on the collation, and in turn all objects that depend on those objects (see Section 5.15). RESTRICT Refuse to drop the collation if any objects depend on it. This is the default. EXAMPLES To drop the collation named german: DROP COLLATION german; COMPATIBILITY The DROP COLLATION command conforms to the SQL standard, apart from the IF EXISTS option, which is a PostgreSQL extension. SEE ALSO ALTER COLLATION (ALTER_COLLATION(7)), CREATE COLLATION (CREATE_COLLA- TION(7)) PostgreSQL 18.6 2026 DROP COLLATION(7)
NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | EXAMPLES | COMPATIBILITY | SEE ALSO
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