在不用事务的情况下，如何保证插入数据库时不失败，三张表。
三张表要么全成功，要么全失败。
回复内容：
三张表要么全成功，要么全失败。
那你就把插入完后的状态记录下来， 如果发现有某一条插入失败的话，再去手动删除另外两条。
不可能啊~ 这就是事务发挥作用的场景，确保all or nothing
事务的设计就是用来解决这个问题的，为何偏要不用呢，无法理解
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