DROP AGGREGATE
Removes an aggregate function.
Synopsis
DROP AGGREGATE [IF EXISTS] <name> ( <aggregate_signature> ) [, ...] [CASCADE | RESTRICT]
-- where <aggregate_signature> is:
* |
[ <argmode> ] [ <argname> ] <argtype> [ , ... ] |
[ [ <argmode> ] [ <argname> ] <argtype> [ , ... ] ] ORDER BY [ <argmode> ] [ <argname> ] <argtype> [ , ... ]