Re: Date, the relational model and the application (software layer)

"Bob Badour" <bbadour_at_golden.net> wrote in message news:JcqdnT4CAJHfY8zdRVn-tA_at_golden.net...
> [SNIP]
> It is important to note that stored procedures are applications. They are
> applications that run on the dbms, but the relational model says nothing
> about stored procedures per se.

Yes, completely agree.

> E1, E2 and E3 in general have more meaning at the physical level than at
the
> logical level, and his observations of what the industry is doing amount
to
> what the industry is doing to overcome the failure of dbms vendors to
> provide adequate physical independence.

True enough - much of the major moves in this industry are due to a failure to implement adequate theory. XML is a reaction to some perceived complexity in relations, but one look at XQuery will tell you exactly how well they've succeeded at addressing the "real world." XQuery is a disaster - more of a reporting language than anything, and what's most amusing is how it reveals massive problems in the XML Infoset - note the inability to really know the type of much of anything, and of course the need to specify paths. Garbage. Received on Fri Mar 12 2004 - 19:57:32 CET