You used the diagramming ? I almost never did
.
I also update table contents in QA or directly in a query. The diagramming is not that useful, as with bigger databases (think 100+ tables) you can't do a top down journey into your system, or you have to make a lot of diagrams. It also is particular awkward to see what the FK's really are.
Therefore I prefer the ORM/NIAM tool in Visio. (ok, my hero Halpin supervises it, which is also a plus
) You can create true abstract datamodels with NIAM/ORM and generate proper E/R models from them. What's more appropriate, the diagramming alows you to properly organize the sentences per group. Not ideal though. In 1992 I did an internship at Ericsson where I used a Case tool on Ingres (and sun boxes). You could first design DFD's, DSD's, and from a top/down perspective, so first a very simple model of the system and when you selected parts of it, you opened detailed versions of these, so it was all part of eachother.
Something like rational offers now. I'm not sure where Whitehorse ends up though. It wouldn't surprise me if VS.NET 2005 would sport a full top/down diagramming tool for relational models. If not, they've missed the boat COMPLETELY.