使用ROW_NUMBER()查询：列名 'RowNumber' 无效。

使用ROW_NUMBER()方法查询结果集；语句如下：

 

select ROW_NUMBER() OVER(ORDER BY dbo.OrderOutProduct.ID) AS RowNumber,

 dbo.Order.ID,Telephone,AddressCity,Province, from dbo.Order 

inner join dbo.Order2

on dbo.Order.ID=Order2ID

inner join dbo.Order3

on dbo.Order2.OrderID=dbo.Order3.Order3

where Service=1 and RowNumber=1

但是出现了错误：列名 'RowNumber' 无效。

查到网上给的解释是：在sql里这个叫做，热名称，刚定的不能立马使用！要包一层查询！

修改为：

select * from(

select ROW_NUMBER() OVER(ORDER BY dbo.OrderOutProduct.ID) AS RowNumber,

dbo.Order.ID,Telephone,AddressCity,Province, from dbo.Order 

inner join dbo.Order2

on dbo.Order.ID=Order2ID

inner join dbo.Order3

on dbo.Order2.OrderID=dbo.Order3.Order3

where Service=1 

)U where RowNumber=1

 

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