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

Home -> Community -> Mailing Lists -> Oracle-L -> Re: ORACLE TUNING

Re: ORACLE TUNING

From: Stephane Faroult <sfaroult_at_oriole.com>
Date: Tue, 19 Mar 2002 13:34:01 -0800
Message-ID: <F001.0042DD0F.20020319133401@fatcity.com>


SRAJENDRAN_at_nlfs.com wrote:
>
> Hello:
>
> I have an identical query that has similar explain plan on both Prod and Dev
> environment, only difference being that certain indexes are performing
> unique scan on Prod and Range scan on Dev.
> Can you cast some light on how this can be matched and under what conditions
> this discrepancy might occur.
>
> Thank you,
>
> Srini
>

The index being declared UNIQUE in one case and not in the other seems to me the most likely reason.

-- 
Regards,

Stephane Faroult
Oriole Ltd
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriole.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 Mar 19 2002 - 15:34:01 CST

Original text of this message

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