RE: Fast Full Index Scan in 8.1.7

Hi Cherie,

I think you can't turn this feature off at the instance level as it became internal
for 8i.
But if you did it you would loose an excellent path for some queries with 'cover
indexes'. Certainly, you can use hints for that. In generall I don't like using hints
I prefer to rely on CBO's estimates but sometimes hints make sense.

Regards,
Ed
>
>
>
> I had been using the FAST_FULL_SCAN_ENABLED initialization
> parameter in an
> 8.0.4 database.
>
> Apparently this parameter is now obsolete in 8.1.7.2.
> Seems as though I
> am getting the fast full index
> scans automatically now. I'm not sure if I want them in all
> cases. Is
> there a way to turn them off?
>
> Thanks,
>
> Cherie Machler
> Oracle DBA
> Gelco Information Network
>
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-- 
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-- 
Author: Shevtsov, Eduard
  INET: EShevtsov_at_flagship.ru

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