DROP DOMAIN
Removes a domain.
Synopsis
DROP DOMAIN [IF EXISTS] <name> [, ...] [CASCADE | RESTRICT]
Description
DROP DOMAIN removes a previously defined 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.
- RESTRICT
- Refuse to drop the domain if any objects depend on it. This is the default.
Examples
Remove the domain named us_postal_code:
DROP DOMAIN us_postal_code;
Compatibility
This command conforms to the SQL standard, except for the IF EXISTS option, which is a Greenplum Database extension.
See Also
Parent topic: SQL Commands
