DELIMITER $$ CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn2008`.`awb_recibida_ad` AFTER DELETE ON `awb_recibida` FOR EACH ROW IF (SELECT COUNT(*) FROM recibida_iva where recibida_id = OLD.recibida_id) = 0 AND (SELECT COUNT(*) FROM recibida_vencimiento where recibida_id = OLD.recibida_id) = 0 AND (SELECT contabilizada FROM recibida WHERE id = OLD.recibida_id) = 0 THEN DELETE FROM recibida WHERE id = OLD.recibida_id; END IF$$ DELIMITER ;