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主题:SQL查询加索引优化速度

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  发帖心情 Post By:2021/4/29 20:25:00 [只看该作者]

se lect * from (Se lect  Row_Number() Over(Order by [_Identify]) As RowNum,*,round(([ResultMoney] - 开piao金额),2) as 未开piao金额,round(([ResultMoney] - 收款金额),2) as 未收款金额 From
 ([dbo].[OrderMain] a left join (se lect Order_ID,round(SUM([TotalTax]),2) as 开piao金额 from [dbo].[InvoDetailed] GROUP BY [Order_ID]) b
  on a._Identify = b.Order_ID) left join (se lect Order_ID,SUM([AmountPay]) as 收款金额 from [dbo].[ReExpend] GROUP BY [Order_ID]) c
  ON a._Identify = c.Order_ID where a.Cl_PurSaleMold = 1) as aaa WHERE Row_Number >= 1 And Row_Number <= 10 
 ORDER BY Order_Date desc

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