Re: Oracle 9i hints that are obsolete in 11gR2
- From: David Roberts <big.dave.roberts@xxxxxxxxxxxxxx>
- To: baitha@xxxxxxxxxxxxxxxxx
- Date: Sun, 30 Mar 2014 16:24:41 +0100
I haven't done any investigation to to determine why, but the RULE hint
rarely seems to enhance performance in 11g.
In a previous role we had a standing rule that rule hints would be removed
by default when upgrading from 9i or 10g to 11g.
Dave
On Thu, Mar 27, 2014 at 6:32 PM, Bheemsen Aitha <baitha@xxxxxxxxxxxxxxxxx>wrote:
> Thanks to everyone for your great inputs. Your replies definitely help
> me as a starting point.
>
>
>
> Thanks
>
> *Bheem Aitha*
>
>
>
> *From:* Dominic Brooks [mailto:dombrooks@xxxxxxxxxxx]
> *Sent:* Thursday, March 27, 2014 2:56 AM
> *To:* Hemant-K.Chitale@xxxxxx
> *Cc:* Bheemsen Aitha; ORACLE-L
> *Subject:* Re: Oracle 9i hints that are obsolete in 11gR2
>
>
>
> Also see V$SQL_HINT for a list of hints.
>
> I don't think it tells you which are deprecated unless that's reflected in
> PROPERTY.
>
>
>
> Interestingly, there is no PARALLEL hint only SHARED which is listed as
> the inverse of NOPARALLEL/NO_PARALLEL
>
> Cheers,
>
> Dominic
>
>
>
> Sent from my iPhone
>
>
>
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