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MySQL报错cannot add foreign key constr
这种报错是提示无法正确的插入外键约束,那我分析一下,设置外键有以下几个条件: 满足这三个条件一般在创建外键的时候就不会报错,而这里报错了cannot add foreign key constraint大多数是因为第三个条件不满足,例如,我这有两个表,一个主表是dvl_product产品表 ...
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