Question

Using alias in subquery

Asked by: xkitzed

Hello,
 I am trying to to execute the following query in MS SQL Server:

SELECT tblProducts.ProductName AS [Product Name],
SUM(tblOrderDetails.Quantity) AS [Quantity Sold],
SUM(tblOrderDetails.Quantity * tblProducts.UnitPrice) As [Total Cost]
FROM tblOrders INNER JOIN tblOrderDetails ON tblOrders.OrderID = tblOrderDetails.OrderID
               INNER JOIN tblProducts ON tblOrderDetails.ProductID = tblProducts.ProductID
WHERE (tblOrders.OrderDate >= '2/25/2004') AND (tblOrders.OrderDate <= '2/27/2004')
      AND tblOrders.OrderID IN
      (SELECT tblOrders.OrderId,
       sum(tblOrderDetails.Quantity * tblProducts.UnitPrice) AS [Cost],
       sum(tblPayments.PaymentAmount) AS [Paid]
       from tblOrders INNER JOIN tblOrderDetails on tblOrders.OrderID = tblOrderDetails.OrderId
                      INNER JOIN tblPayments ON tblOrders.OrderID = tblPayments.OrderID
       WHERE [Cost] <= [Paid])                        
GROUP BY tblProducts.ProductName

But SQL server sayd it cannot find the Column Names Cost or Paid (used int the WHERE clause of the subquery).  

I am new  SQL user, and any help appreciated. thanks.
 

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Asked On
2004-02-29 at 14:17:48ID20902004
Tags

subquery

,

select

,

alias

,

sql

Topic

MS SQL Server

Participating Experts
2
Points
250
Comments
12

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