ALTER TABLE vn.propertyDms DROP FOREIGN KEY propertyDms_FK; ALTER TABLE vn.propertyDms ADD CONSTRAINT propertyDms_FK FOREIGN KEY (dmsFk) REFERENCES vn.dms(id) ON DELETE CASCADE ON UPDATE CASCADE; ALTER TABLE vn.clientDms DROP FOREIGN KEY clientDms_ibfk_2; ALTER TABLE vn.clientDms ADD CONSTRAINT clientDms_ibfk_2 FOREIGN KEY (dmsFk) REFERENCES vn.dms(id) ON DELETE CASCADE ON UPDATE CASCADE; ALTER TABLE vn.workerDocument DROP FOREIGN KEY workerDocument_ibfk_2; ALTER TABLE vn.workerDocument ADD CONSTRAINT workerDocument_ibfk_2 FOREIGN KEY (document) REFERENCES vn.dms(id) ON DELETE CASCADE ON UPDATE CASCADE;