>I know how to join two string fields using -'-'-
>
>Is there a similar sequence for joining two fields with a single space instead of a dash, or a comma and a space?
>
>Example: mike bollinger or bollinger, mike
>
>I tried lastname-', '-firstname BUT it displayed bollinger,mike (no space)

Instead of - use +. Unfortunately it would need extra trimming commands. A shorter version might be :
chrtran(field1-'%'-field2,'%',' ')
Cetin