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 schema-qualified.
Automatically drop objects that depend on the collation, and in turn all objects that depend on those objects (see Section 5.13).
Refuse to drop the collation if any objects depend on it. This is the default.
To drop the collation named
DROP COLLATION german;
DROP COLLATION command
conforms to the SQL
standard, apart from the
option, which is a PostgreSQL
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