Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Mailing Lists -> Oracle-L -> RE: Creating sequences on the DUAL table?
What are "sequence on the table"? All I know about sequences
is that they are entities for fas generation of unique numbers
without encountering locks. They are standalone entries without
much connection to any other object.
> -----Original Message-----
> From: Cherie_Machler_at_gelco.com [mailto:Cherie_Machler_at_gelco.com]
> Sent: Tuesday, July 30, 2002 1:54 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Creating sequences on the DUAL table?
>
>
>
> I have a request from one of our developers to create two new
> sequences on
> the DUAL table.
>
> This seems like a bad idea to me. I've never had such a
> request in the
> past. I asked for clarification on why this is needed and I
> didn't get a
> lot of details yet.
>
> Is this something that is standard operating procedure? My
> understanding
> that interfacing with the DUAL table is usually inviting poor
> performance.
> Plus, I don't like to mess around with system tables, in general.
>
> Under what circumstances would it be justified to create
> sequences on the
> DUAL table? Should I just flat-out refuse this request and
> if so, why?
>
> Thanks,
>
> Cherie Machler
> Oracle DBA
> Gelco Information Network
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author:
> INET: Cherie_Machler_at_gelco.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
>
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Gogala, Mladen INET: MGogala_at_oxhp.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Tue Jul 30 2002 - 14:15:07 CDT