ALTER TABLE exam ADD CONSTRAINT diag_dr FOREIGN KEY (diag_dr) REFERENCES operator (operator_id) MATCH SIMPLE ON UPDATE NO ACTION ON DELETE NO ACTION;
ALTER TABLE exam ADD CONSTRAINT final_diag_dr FOREIGN KEY (final_diag_dr) REFERENCES operator (operator_id) MATCH SIMPLE ON UPDATE NO ACTION ON DELETE NO ACTION;
UPDATE db_version SET db_version = '1.08';