Removes a domain.

Synopsis

  1. 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:

  1. 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 Commands