Using the person & dog tables, from the examples in the book, create a query to find which persons have less than 4 dogs (0-3).
It seems deceivingly simple, but it requires you to apply several concepts and constructs, some only documented in this user group (not in the book yet). Massimo, please let the others sweat it out. Additional points for describing why each piece is needed. Have fun! -- To unsubscribe, reply using "remove me" as the subject.
