I did an actual blog post on this for my OLD blog a long time ago. That can be found here:
http://www.lotusnotebook.com/lotusnotebook.nsf/D6Plinks/DLEY-7UEFYU
I'm sure I've done video demos on this over at
NotesIn9. Though quite honestly I don't know exactly WHICH show(2) it might be in. I suspect it might be in my
XPages Jumpstart. It's problem mentioned in some of my earlier shows... And I think the technique is in show 18- Data Relationships.