Hi,
I need to do some sql statement like below
SELECT '1' AS Count, primaryID from tbl1
UNION
SELECT '2' AS Count, PrimaryID from tbl2
this SQL statement work fine, but, when I try to do something like this
(SELECT '1' AS Count, primaryID from tbl1
UNION
SELECT '2' AS Count, PrimaryID from tbl2)
WHERE Count = '2'
it give me error that column not found.
Please advice.
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