You can't specify target table 'Person' for update in FROM clause
Posted tk55
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DELETE FROM Persons WHERE Id NOT IN (SELECT MIN(Id)AS id FROM Persons GROUP BY Email) ;
You can‘t specify target table ‘Person‘ for update in FROM clause
问题出现：同一个表里删除操作 和查询连同一起了
把后半句
(SELECT MIN(Id)AS id FROM Persons GROUP BY Email)
改
(select * from (SELECT MIN(Id)AS id FROM Persons GROUP BY Email)temp )
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