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请教跨库外键约束问题
我有两个数据库,A有一个表userinfo,B有另外一个表homeImg, 执行的时候 提示,ERROR 1215 (HY000): Cannot add foreign key constraint.请问是怎么回事?是不是外键只能在同一个库中? 如何解决? 谢谢。 从维度表和事实表的文档记录、源到目标映射、问题跟踪,到总线矩阵 ...
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