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Re: What is this thing that is called a "Data Dictionary?"

From: Richard Broersma Jr <rabroersma(at)yahoo(dot)com>
To: Sean Davis <sdavis2(at)mail(dot)nih(dot)gov>, pgsql-novice(at)postgresql(dot)org
Cc: Richard Broersma Jr <rabroersma(at)yahoo(dot)com>
Subject: Re: What is this thing that is called a "Data Dictionary?"
Date: 2007-05-02 20:28:09
Message-ID: 857233.56820.qm@web31805.mail.mud.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-novice
Thanks Sean for the link, it is very helpful.  It seems like the PG equievent to Oracles data
dictionary are the pg_systemtables.
--- Sean Davis <sdavis2(at)mail(dot)nih(dot)gov> wrote:

> On Wednesday 02 May 2007 15:21, Richard Broersma Jr wrote:
> > Many of the ERD and SQL books that have have read refer to a data
> > dictionary.  However, I seem to be missing the point of what it acuatally
> > is.  IIRC, some books refer to it as a kind of document created by a DB
> > designer, and other suggest that it is a kind of RBDMS created metadata.
> >
> > Can anyone please offer a consise description or provide a link to that
> > describes what it is? Also, how is this information useful to a DBA?
> 
> Hi, Richard.  I haven't seen this "term" used before.  But here is a link:
> 
> http://www.oreillynet.com/pub/a/network/2002/10/28/data_dictionary.html
> 
> Sean
> 


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