Re: Mathematica RDBMS Model

From: Steffen Rost <rost_at_cs.tum.edu>
Date: Thu, 18 Jan 2001 15:17:01 +0100
Message-ID: <3A66FADD.4D05D5A1_at_cs.tum.edu>

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/
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             "Life is the only thing worth living for." Received on Thu Jan 18 2001 - 15:17:01 CET