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RE: Creating sequences on the DUAL table?

From: Gogala, Mladen <MGogala_at_oxhp.com>
Date: Tue, 30 Jul 2002 11:15:07 -0800
Message-ID: <F001.004A64C2.20020730111507@fatcity.com>


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
>
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-- 
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
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Received on Tue Jul 30 2002 - 14:15:07 CDT

Original text of this message

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