comparing null in SQL comparisons

Question

I am creating a front end with VB6 and my database is Sybase. Using DSN I have created some small exe\'s to populate reports in grid. It was working fine.

However if I u

Answer 1

Nicholas, I agree with you in that comparisons against null should always be false, however I tried the following code on an ASE 15.0.3 server and got a surprising result

declare @xx int
select @xx = null
select @xx
select 1 where null = @xx

It return 1 for the second select which I was not expecting..