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: Sets and Lists, again

Re: Sets and Lists, again

From: x <x_at_not-exists.org>
Date: Tue, 23 May 2006 10:41:37 +0300
Message-ID: <e4ue6n$7e6$1@emma.aioe.org>

"JOG" <jog_at_cs.nott.ac.uk> wrote in message news:1148350125.906566.265620_at_i39g2000cwa.googlegroups.com...
> In the end a list is 'this, then that, then t'other' - purely ordinal.
> As such here I agree with Gene - creating an index to identify the
> location of each item in that list is a physical accessor. To obtain
> the third element in a list, for example, one processes 'start_head,
> get_next, get_next'. Any cardinal access to 'element[3]' is surely a
> physical, and not logical, shortcut.

But you have to admit this is random access - a step farther from the navigational (sequential) access. Received on Tue May 23 2006 - 02:41:37 CDT

Original text of this message

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