Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: Identity modelling (was: dbdebunk 'Quote of Week' comment)

Re: Identity modelling (was: dbdebunk 'Quote of Week' comment)

From: x <x_at_not-exists.org>
Date: Tue, 30 Aug 2005 12:49:13 +0300
Message-ID: <df1a30$pq0$1@domitilla.aioe.org> 






"David Cressey" <david.cressey_at_earthlink.net> wrote in message
news:wIVQe.3985$_84.3105_at_newsread1.news.atl.earthlink.net...


> There are multiple levels of abstraction, and what is logical at one level

> is physical at another.





> One interesting case is that of the URL.  Is a URL a key or a pointer?

Does


> it name the resource, or does it locate the resource?




 URL  = uniform resource locator


URN = uniform resource name


URI   = uniform resource identifier


http://www.w3.org/TR/uri-clarification/
Received on Tue Aug 30 2005 - 04:49:13 CDT












Original text of this message













  HOME |
  ASK QUESTION |
  ADD INFO |
  SEARCH |
  E-MAIL US