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DROP
COLLATION
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 issued 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.
- 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.