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比如有两个表,User 和 UserInfo。 User 中有两个字段,isVip 和 userInfo, User 和 UserInfo 是一对一的关系。 UserInfo 中有年龄字段。
现在想查询 年龄大于 30,并且 isVip 是 true 的数据,返回所有 User,该如何操作呢
网上查了很多文章,提到使用 关联表.字段 的方式来判断,但是试了各种方式,都提示不识别 column
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比如有两个表,User 和 UserInfo。
User 中有两个字段,isVip 和 userInfo, User 和 UserInfo 是一对一的关系。
UserInfo 中有年龄字段。
现在想查询 年龄大于 30,并且 isVip 是 true 的数据,返回所有 User,该如何操作呢
网上查了很多文章,提到使用 关联表.字段 的方式来判断,但是试了各种方式,都提示不识别 column
The text was updated successfully, but these errors were encountered: