It's possible to do what you want... you have to "switch" databases back and forth to get the information you are looking for. I've got the code and can give you a sample... see attached at the bottom.
Here's the link to the whole thread for reference:
http://www.gossamer-threads.com/perl/gforum/gforum.cgi?post=162559
Here's the link to the whole thread for reference:
http://www.gossamer-threads.com/perl/gforum/gforum.cgi?post=162559