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[SQLServer] SQLQuery5.sql
说明:/**---- select * from KuChun select * from Sell select sum(SellNum)as Sumd,SellID,ProductType from Sell group by SellID,ProductType select * from KuChun t1 left join (select SellID, sum(sellnum)as snum,ProductType from Sell group by SellID<WJ494224911> 上传 | 大小:23kb