DROP CONVERSION - remove a conversion
DROP CONVERSION [ IF EXISTS ] name [ CASCADE | RESTRICT ]
DROP CONVERSION removes a previously defined conversion. To be able to
drop a conversion, you must own the conversion.
Do not throw an error if the conversion does not exist. A
notice is issued in this case.
name The name of the conversion. The conversion name can be schema-
These key words do not have any effect, since there are no
dependencies on conversions.
To drop the conversion named myname:
DROP CONVERSION myname;
There is no DROP CONVERSION statement in the SQL standard.
ALTER CONVERSION [alter_conversion(7)], CREATE CONVERSION