Why does the order of the SELECT statements in the UNION affect the result?<BR><BR>This first SQL produces the result I want.<BR><BR>SELECT cat_id AS catid, manufacturer AS mfr, model, a_class_id as ...

Web applications are pervasive and play a vital role as web applications are significant mode of communication. SQL injection is one of the most dangerous security vulnerability that is exploited in ...

I need to form the equivalent of a Union Join in Oracle 8i, even though a Union Join doesn't appear to be supported in 8i. I might be able to manipulate a Full Outer Join to get the results I need, ...