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Editorial Team
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Asked: 2026-05-24T07:13:56+00:00

The following statements works on one instance of SQL Server 2005, but fails on

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The following statements works on one instance of SQL Server 2005, but fails on another (also SQL Server 2005) with the following error:

A column has been specified more than once in the order by list. Columns in the order by list must be unique.

Does anyone know what would cause this? Here is a simplified version of the sql statement in question:

CREATE TABLE #foo (bar INT)


SELECT TOP 150 ID           
FROM                    
(   SELECT  bar as ID,bar FROM  #foo ) tmp
ORDER BY                bar,ID
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1 Answer

  1. Editorial Team

    What does SELECT @@VERSION; say? The different behavior may be explained by a fix that was implemented in a service pack, for example. You should try to keep all of your environments consistent in this regard.

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