"Ambiguous column name" error on one particular server

Posted by jazbit on Stack Overflow See other posts from Stack Overflow or by jazbit
Published on 2010-05-07T12:02:46Z Indexed on 2010/05/07 12:08 UTC
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sql-server

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sql

This simple query throws the "Ambiguous column name TaskID" error on one db-server only. This is ridiculous. We tested this with the same database structure on different servers and different versions of ms sql (2005/2008), and it's only THIS particular client's server that throws the error. I'm actually frustrated.

SELECT Tasks.TaskID
FROM Tasks
INNER JOIN TaskHelpers ON TaskHelpers.TaskID = Tasks.TaskID
order by TaskID

Yes, I know I can put "Tasks.TaskID" into the order by clause, but for some reasons I can't.

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