DROP DOMAIN SQL - Language Statements DROP DOMAIN remove a user-defined domain 1999-07-20 DROP DOMAIN domainname [, ...] [ CASCADE | RESTRICT ] 2002-02-24 domainname 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 there are any dependent objects. This is the default. 2002-02-24 DROP DOMAIN The message returned if the command is successful. ERROR: RemoveDomain: type 'domainname' does not exist This message occurs if the specified domain (or type) is not found. 2002-02-24 DROP DOMAIN will remove a user domain from the system catalogs. Only the owner of a domain can remove it. To remove the box domain: DROP DOMAIN box;