事物


操作:

start transaction;

delete from tb_dept where id=2;
delete from tb_emp where dept_id===2;

commit;

rollback ;只要有失败就可以回滚

四大特性ACID:

总结:

posted @ 2025-03-17 00:36  mooncage  阅读(15)  评论(0)    收藏  举报