Svein Erling Tysvær wrote:

> Are you sure, Milan? I haven't checked Firebird, but this goes against
> my sense of logic. If you'd said that
>
> NULL and TRUE
>
> or
>
> NULL or FALSE
>
> I would agree that the end result should be NULL. But
>
> NULL or TRUE
>
> should in my opinion return TRUE. Let's take an example. Does Milan or
> Set have a telephone?

Looks like I was wrong about this. Thanks for the correction.

--
Milan Babuskov
http://fbexport.sourceforge.net