Re: VIEWS compared to Nodes as Windows into data

        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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