DROP DOMAIN
DROP DOMAIN
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), and in turn all objects that depend on those objects (see Section 5.14 ).
-
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.