Re: XQuery question

From: Tom Ivar Helbekkmo <tih+nr_at_eunetnorge.no>
Date: Mon, 19 May 2003 20:48:56 +0200
Message-ID: <86n0hiai1z.fsf_at_athene.i.eunet.no>


neo55592_at_hotmail.com (Neo) writes:

>> Given meta-data tables that describe relations between tables, [...]

> Since the relational data model (rdm) defines a "relation" as being a
> set of tuples which is generally conceptualized as a table, the above
> sentence in rdm-speak would translate to "tables between tables" which
> is probably not what you meant. What word did rdm formally assign to
> the word "relation" as used in the above sentence? Surely rdm has a
> formal word for that very basic and fundamental concept.

He's obviously talking about entity tables and relation tables. See any text on the ER (entity-relationship) model for more information.

-tih

-- 
Tom Ivar Helbekkmo, Senior System Administrator, EUnet Norway
www.eunet.no  T: +47-22092958 M: +47-93013940 F: +47-22092901
Received on Mon May 19 2003 - 20:48:56 CEST

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