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删除A表中在B表中不存在的数据

整理:jimmy2024/10/27浏览2次

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简介select UserName from TableA where UserName not in (select UserName from TableB where TableA.UserName=TableB.UserName) order by UserName desc

select UserName from TableA where UserName not in (select UserName from TableB where TableA.UserName=TableB.UserName) order by UserName desc

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