DROP
DOMAIN
Name
DROP DOMAIN -- remove a domain
Synopsis
DROP DOMAIN [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
Description
DROP DOMAIN removes a domain. Only
the owner of a domain can remove 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
To remove the domain box:
DROP DOMAIN box;
Compatibility
This command conforms to the SQL standard, except for the
IF EXISTS option, which is a
PostgreSQL extension.