"Leandro Guimarães Faria Corsetti Dutra" <leandro_at_dutra.fastmail.fm> wrote
in message news:pan.2004.05.04.18.24.17.225387_at_dutra.fastmail.fm...
> Em Tue, 04 May 2004 12:41:18 -0400, Laconic2 escreveu:
>
> > Hey Dawn, if you really want to find out whether the term "hierarchical
> > data model" was coined by its opponents, Bachman is the trail to
follow.
> > His "Data Structure Diagrams" precede Ed Codd's 1970 article.
>
> Diagrams aren't models...
I'll accept that diagrams, in themselves, are not full mathematical
theories, but models they often are, it seems to me. What is your
definition of "model" (as a noun)?
Received on Tue May 04 2004 - 17:16:28 CDT
