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).
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.