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 Dependency Tracking).
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.