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Re: A good book

From: Cimode <cimode_at_hotmail.com>
Date: 10 Jul 2006 01:07:02 -0700
Message-ID: <1152518822.161806.205510@s13g2000cwa.googlegroups.com>


If you look for a math book about databases you won't find it...If you look for a computing science book about mathematics you won't find: they are interdependent but separate domains. You may consider however, RM computing knowledge as computing sceince enunciation of relation mathematics.

Chris Smith wrote:
> J M Davitt <jdavitt_at_aeneas.net> wrote:
> > Well, there are databases and there are databases. I suppose
> > a collection of business cards could be considered a database.
> > But in the world of c.d.t, relational theory is the only
> > foundation of on which any database should be built.
>
> Okay, after taking a day or so to step back and look at this...
>
> The problem is that I'm looking for information on the connection
> between relational databases and the theory of relations. I am
> interested in examples of how the mathematical properties of relations
> are actually used to solve real-world software problems in databases. I
> am quite familiar with first-order predicate calculus, and with
> relations and their properties, as the words are used by mathematicians
> (or, at least, the several different ways; as the definitions differ
> from author to author)... I am also familiar with uses of SQL, with
> rules of thumb for good database designs, and with normalization of
> databases in a practical sense. I am looking for a source that actually
> goes through developing the theory that connects the relational model
> (database) side of this to the practical side.
>
> It turns out there was a little bit of that in Codd's paper (in the
> section on redundancy and consistency), but not nearly so much as I
> hoped. That appears to be intentional given the publication -- CACM is
> more of an overview journal than a really technical -- and the general
> tone. Perhaps Codd did that work elsewhere. In any case, I'm sure I'll
> find it eventually.
>
> --
> Chris Smith - Lead Software Developer / Technical Trainer
> MindIQ Corporation
Received on Mon Jul 10 2006 - 03:07:02 CDT

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