> As with phrases like, "the quickest way to grill a unicorn steak,"
> that it can be stated in a few words does not make in possible.
Exactly. The big issue here is that nobody's saying what kind of app
they want to write.
If it's a simple web content management system, the possibility of
having > 1 db being supported is better than if you need a
transactional real time securities trading system, it's a lot less
likely to work on > 1 db.