Re: What is metadeta?

From: Howard J. Rogers <dba_at_hjrdba.com>
Date: Sun, 24 Mar 2002 10:23:37 +1100
Message-ID: <a7j2rg$vge$1@lust.ihug.co.nz>

Not sure. Maybe there's a third-party app out there called MetaData. Just as I frequently open my windows, to let the air in, it's possible that a company has taken a perfectly straightforward English word and made a product name out of it.

Quite possibly they are referring to XML skills, since XML is all about tagging up data with markers which describe what the data actually means. The markers (tags) are therefore examples of metadata, since they explain what each piece of data means... in other words, 1937921 found in an XML document isn't just a meaningless number, but is described by an XML tag as being an Order Number.

I'd have to see such a job add and see the reference in context before working out what they are talking about!

Regards
HJR

--
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Resources for Oracle: http://www.hjrdba.com
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"Ryan Gaffuri" <rkg100_at_erols.com> wrote in message
news:a7j16k$pni$1_at_bob.news.rcn.net...


> I use the data dictionary all the time. Never realized this. So what do

job


> ads mean when they say experience working with metadata? Do they mean the

> Oracle data dictionary?

>

>

> "Howard J. Rogers" <dba_at_hjrdba.com> wrote in message

> news:a7iq74$ms0$1_at_lust.ihug.co.nz...

> > Metadata is simply data about data.  It's not a specifically Oracle

thing.


> > Anytime you store data somewhere which explains the meaning of, or other

> > attributes about, some data stored in a second location, that's

metadata.


> > In Oracle's case, the data dictionary can be called metadata.  Its a

bunch


> > of records in tables which describe where other (your) tables are

stored,


> > how big they are, what the columns are within them, how long those

columns


> > are, whether they've got indexes on them and so on.

> >

> > It does as a working definition, anyway!

> >

> > Regards

> > HJR

> > --

> > ----------------------------------------------

> > Resources for Oracle: http://www.hjrdba.com

> > ===============================

> >

> >

> > "Ryan Gaffuri" <rkg100_at_erols.com> wrote in message

> > news:a7ioko$849$1_at_bob.news.rcn.net...

> > > Dont know if this relates directly to Oracle, but I often see them

> > mentioned

> > > together?

> > >

> > >

> >

> >

>

>

Received on Sat Mar 23 2002 - 17:23:37 CST