Re: VIEWS compared to Nodes as Windows into data

From: Leandro Guimarães Faria Corsetti Dutra <leandro_at_dutra.fastmail.fm>
Date: Fri, 07 May 2004 09:18:29 -0300
Message-ID: <pan.2004.05.07.12.18.29.159289@dutra.fastmail.fm>

Had overseen this one...

Em Mon, 03 May 2004 14:00:45 -0500, Dawn M. Wolthuis escreveu:

> RDBMS = a product that a vendor says is an RDBMS

This'd be Novilingua...

> RDBMS = a product that does not exist

Unwarranted.

> but is a pure implementation of the relational model as
> seen through the eyes of the writer

There is a formal definition, no need for subjectivity.

> RDBMS = Dataphor

As far as products in the market, correct. Otherwise, there are both other projects in development -- Alfredo's, Opus, Duro -- and old products no more in the market -- Ingres QUEL, IBM BS/12.

> Can we come up wtih some notation for each of these meanings so that we
> know which one someone is talking about?

Only two are needed. SQL DBMS, and RDBMS. Some have proposed TRDBMS -- True RDBMS, but this seems to me a concession to Big Brother, Inc's Novilingua.

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Received on Fri May 07 2004 - 07:18:29 CDT