OK, I see what you are talking about now. As far as the DataClas goes, there is nothing stopping you from implementing these sorts of features. Actually, it is a fairly trivial task...


>>As far as your relation table in the middle of a relation goes. Short of that being a M to M junction table, I have'nt a clue as to what that would be used for...
>
>Simply think about a document table in relation with contacts.
>Add a document 1 and send it to a contact A
>Send a copy of document 1 to contact B ( no replication )
>Add a document 2 to contact B
>
>Same with adress and contact relation ( Home, Biz ... )
>Same with invoices when billing adress # delivery adress