RE: ORACLE TUNING

Thank you..
Buffer cache is smaller on DEV.
What specific parameters are you refering you? Indexes are in the same order.

-----Original Message-----
Sent: Tuesday, March 19, 2002 5:52 PM
To: Multiple recipients of list ORACLE-L

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

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