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我有两张表作为学生和证书,我需要从学生表中删除学生时从证书表中删除与特定学生相关的证书。我不太熟悉mysql触发器。请协助我。mysql触发删除原始
这是我做过尝试,但我不知道这是正确的
DELIMITER $$
CREATE TRIGGER delCerts AFTER DELETE ON students
FOR EACH ROW
BEGIN
DELETE FROM certificates as certs WHERE certs.stCode = students.stCode;
END;
$$
取代“AFTER DELETE”,写下“BEFORE DELETE”,让我们知道 –