[EMAIL PROTECTED] 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: [EMAIL PROTECTED]

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