[AccessD] Outputing nulls in query with function

> I have a query that outputs a column that uses a user function to create 
> it.
> Works great.
> The client wants the results in that column to either be a value or null,
> not an empty string or zero. We are going to do some statistical jive 
> later
> down the road.
> So, how can I output a null?

=======Null has a specific meaning -- forcing it might usurp that, are you 
sure you really want to do that?

Susan H.