DROP DOMAIN

Contents

Removes a domain.

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.

Parameter	Description
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

Parameter

Description

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

Drop the domain named zipcode:

DROP DOMAIN zipcode;

This command conforms to the SQL standard, except for the IF EXISTS option, which is a Greengage DB extension.