ALTER DOMAIN $name$
    { SET DEFAULT $expression$ | DROP DEFAULT }

ALTER DOMAIN $name$
    { SET | DROP } NOT NULL

ALTER DOMAIN $name$
    ADD $domain_constraint$ [ NOT VALID ]

ALTER DOMAIN $name$
    DROP CONSTRAINT [ IF EXISTS ] $constraint_name$ [ RESTRICT | CASCADE ]

ALTER DOMAIN $name$
    RENAME CONSTRAINT $constraint_name$ TO $new_constraint_name$

ALTER DOMAIN $name$
    VALIDATE CONSTRAINT $constraint_name$

ALTER DOMAIN $name$
    OWNER TO { $new_owner$ | CURRENT_ROLE | CURRENT_USER | SESSION_USER }

ALTER DOMAIN $name$
    RENAME TO $new_name$

ALTER DOMAIN $name$
    SET SCHEMA $new_schema$