DROP DOMAIN
Removes a domain.
Synopsis
DROP DOMAIN [IF EXISTS] <name> [, ...] [CASCADE | RESTRICT]
Description
DROP DOMAIN
removes a previously defined domain. You must be the owner of a domain to drop it.
Parameters
-
IF EXISTS
-
Do not throw an error if the domain does not exist. A notice is issued in this case.
-
name
-
The name (optionally schema-qualified) of an existing domain.
-
CASCADE
-
Automatically drop objects that depend on the domain (such as table columns).
-
RESTRICT
-
Refuse to drop the domain if any objects depend on it. This is the default.
Examples
Drop the domain named zipcode
:
DROP DOMAIN zipcode;
Compatibility
This command conforms to the SQL standard, except for the IF EXISTS
option, which is a Greenplum Database extension.
See Also
ALTER DOMAIN, CREATE DOMAIN
Parent topic: SQL Command Reference