Re: Mathematica RDBMS Model

I think about something completly new .. i think ... :-) I want build theoretical model of inner database engine. The proper question is

• (how the database should be constructed)

Steffen Rost wrote:

> Michal Widera wrote:
> >
> > Hi!
> >
> > Is there anybody knows
> > something about mathematical (queued maybe...)
> > model of simple RDBMS ?
>
> The theoretical models of a RDBMS are
> - Relational Algebra (procedural language: how do I get the data I
> need)
> - Relational Calculus (declarative language: which data do I need)
>
> Hope that helps
>
> _____________________________________________:-) Steffen_________
> MAIL: rost_at_cs.tum.edu
> WWW: http://www.cs.tum.edu/~rost/
> PGP: On request
>
> "Life is the only thing worth living for."
Received on Fri Jan 19 2001 - 09:43:47 CET