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Editorial Team
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Asked: 2026-05-26T05:01:41+00:00

This is the code I did SELECT TOP 5 ContactName FROM Customers INNER JOIN

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This is the code I did

  SELECT TOP 5  ContactName FROM Customers
INNER JOIN [Order Details]ON OrderId = 
CustomerID
INNER JOIN Orders ON ProductID = OrderID
WHERE UnitPrice >= 25000
ORDER BY ContactName ASC

But this is the error I am getting

   Msg 209, Level 16, State 1, Line 5
Ambiguous column name 'orderID'

Can someone explain to me why I am getting this error.

This is what I am trying to do is show the most recent five orders that were purchased from a customer who has spent more than $25,000

So i am assuming to use order,product,and customer.

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1 Answer

  1. Editorial Team

    There is probably an OrderID column in both your Order Details and your Orders table, and SQL Server doesn’t know which one to take.

    Solution: specify which one you want to use by putting the table name in front of it:
    Orders.OrderID instead of just OrderID

    So your query would look like this then:

    SELECT TOP 5  ContactName FROM Customers
INNER JOIN [Order Details]ON Orders.OrderId = 
CustomerID
INNER JOIN Orders ON ProductID = Orders.OrderID
WHERE UnitPrice >= 25000
ORDER BY ContactName ASC
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