MYSQL delete语句不支持别名的问题_MySQL

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有一个表的数据比较大，然后需要进行关联删除，删除的时候发现如下SQL报错： DELETE FROM test.test1 a WHERE EXISTS (SELECT 1 FROM test.test2 b WHERE a.recordID=b.smsInfoID AND b.receiveTime 报错如下： Error Code: 1064You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'a WHERE EXISTS (SELECT 1 FROM test.test2 b WHERE a.recordID=b.smsInf' at line 1 开始以为是exists的问题，于是更改成in再测试，也报同样错： DELETE FROM test.test1 a WHERE a.recordid IN (SELECT b.smsInfoID FROM test.test2 b WHERE b.receiveTime

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