DROP COLLATION
DROP COLLATION
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, 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.