diff --git a/2207/触发器练习题.md b/2207/触发器练习题.md index 6504bc7..b173b97 100644 --- a/2207/触发器练习题.md +++ b/2207/触发器练习题.md @@ -506,7 +506,7 @@ DELIMITER ; DELIMITER $$ DROP TRIGGER IF EXISTS before_job_delete; CREATE TRIGGER before_job_delete -BEFORE DELETE ON employee +BEFORE DELETE ON job FOR EACH ROW BEGIN IF (SELECT COUNT(*) FROM employee WHERE job_id = OLD.job_id) > 0 THEN