Quoth [EMAIL PROTECTED] ("Uwe C. Schroeder"): > I concur. However the problem SAP had some 18years ago when they > invented their system were massive differences between > databases. The scope they had in mind didn't allow for whole > database layers to be redundant just for the sake of being able to > talk to several database engines - ergo they wrote one layer and > omitted using vendor dependant database features. Nowadays most > relevant databases are pretty compatible when it comes to > constraints, so if you stick to the basics you should be fine now.
One of the issues was always that of locking. Different systems still have different semantics. -- output = reverse("gro.gultn" "@" "enworbbc") http://www.ntlug.org/~cbbrowne/nonrdbms.html I've implemented a parser combinator library in Generic C#, and indeed what is pretty clear in a functional language looks extremely scientific in an object-oriented one. -- Peter Sestoft ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html