Small. Fast. Reliable.Choose any three. Home Menu About Documentation Download License Support Purchase Search About Documentation Download Support Purchase Search Documentation Search Changelog foreign-key-clause REFERENCES foreign-table ( column-name ) , ON DELETE SET NULL UPDATE SET DEFAULT CASCADE RESTRICT NO ACTION MATCH name NOT DEFERRABLE INITIALLY DEFERRED INITIALLY IMMEDIATE Used by: column-constraint table-constraint See also: lang_altertable.html lang_createtable.html