Re: Do Data Models Need to built on a Mathematical Concept?
Date: Wed, 30 Apr 2003 03:35:50 GMT
Message-ID: <mwHra.140332$gK.240768_at_rwcrnsc52.ops.asp.att.net>
"Paul Vernon" <paul.vernon_at_ukk.ibmm.comm> wrote in message news:b8ljga$383i$2_at_gazette.almaden.ibm.com...
> "Marshall Spight" <mspight_at_dnai.com> wrote in message
> news:Lmora.661321$3D1.366931_at_sccrnsc01...
> [snip]
> > Imagine a binary, relational version of XML built on the relational model.
>
> Ah, but then we would all have to agree on a standardised relational catalog
> database model (which implies agreeing on a single defn of 'The Relational
> Model' ;-) ...
Well I think we darn well ought to do that! Without a standard metadata model, there's a lot of things we can't do.
In general, you can't communicate without a schema. Therefor, unless you have a metaschema, you can't communicate schema. And you *really* need to be able to communicate schema.
Marshall Received on Wed Apr 30 2003 - 05:35:50 CEST