DROP_COLLATION (7) - Linux Man Pages
DROP_COLLATION: remove a collation
DROP_COLLATION - remove a collation
DROP COLLATION [ IF EXISTS ] name [ CASCADE | RESTRICT ]
- 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 schema-qualified.
- Automatically drop objects that depend on the collation.
- Refuse to drop the collation if any objects depend on it. This is the default.
To drop the collation named german:
DROP COLLATION german;