Re: OO versus RDB

Marshall wrote:
> Oh, certainly. The interesting question in my mind is how does
> one distinguish observable effects that matter from those
> that don't matter?

With an effect system perhaps?

  http://en.wikipedia.org/wiki/Effect_system

Dunno anything about them myself, but if you google for "type and effect system" you'll find quite a bit of stuff.

Regards

--
Adrian Hey