DROP AGGREGATE name ( type ) [ CASCADE | RESTRICT ]
The name (optionally schema-qualified) of an existing aggregate function.
The input data type of the aggregate function,
or * if the function accepts any input type.
(Refer to the PostgreSQL User's Guide for
further information about data types.)
Automatically drop objects that depend on the aggregate.
Refuse to drop the aggregate if there are any dependent objects.
This is the default.
Message returned if the command is successful.
This message occurs if the aggregate function specified does not
exist in the database.
DROP AGGREGATE will delete an existing
aggregate definition. To execute this command the current
user must be the owner of the aggregate.
to create aggregate functions.
To remove the myavg aggregate for type
DROP AGGREGATE myavg(int4);
There is no DROP AGGREGATE statement
in SQL92; the statement is a