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Re: ORACLE TUNING

From: Anjo Kolk <anjo_at_oraperf.com>
Date: Tue, 19 Mar 2002 14:52:16 -0800
Message-ID: <F001.0042DF41.20020319145216@fatcity.com>

buffer cache size the same ?
init.ora parameters the same ?
index columns created in similar order

Anjo.

SRAJENDRAN_at_nlfs.com wrote:

> Thank you for the response. The indexes on both sides are regular non-unique
> indexes. Any other possible reasons..
> Srini
>
> -----Original Message-----
> Sent: Tuesday, March 19, 2002 1:34 PM
> To: Multiple recipients of list ORACLE-L
>
> 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
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.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 Mar 19 2002 - 16:52:16 CST

Original text of this message

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