Thanks alot, David!
Now, its working fine!
-Gunnar
"David Portas" <RE****************************@acm.org> wrote in message
news:Fa********************@giganews.com...
Put your aliased column in a derived table query.
SELECT a1
FROM
(SELECT f1 AS a1
FROM A) AS A
WHERE a1 = 2
--
David Portas
SQL Server MVP
--