Re: Should we stop analyzing?

From: Tanel Poder <tanel.poder.003_at_mail.ee>
Date: Tue, 30 Dec 2003 11:44:26 -0800
Message-ID: <F001.005DB47B.20031230114426@fatcity.com>

Go to tahiti.oracle.com and search for the optimizer_dynamic_sampling parameter, you'll see descriptions for it's different values there.

Tanel.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, December 30, 2003 8:59 PM

> Thanks Jonathan,Tanel
>
> Some more clarification ... is dynamic sampling automatically used or one
must specify the hint?
>
> Raj
> --------------------------------------------------------------------------

---

> Rajendra dot Jamadagni at nospamespn dot com
> All Views expressed in this email are strictly personal.
> QOTD: Any clod can have facts, having an opinion is an art !
>
>
> -----Original Message-----
> Sent: Tuesday, December 30, 2003 12:30 PM
> To: Multiple recipients of list ORACLE-L
>
>
>
> There is a hint, and there is a parameter.
> optimizer_dynamic_sampling = 2
> is probably a good way of making sure
> that all queries involving GTTs get a
> dynamic sample of 32 blocks on the GTT
>
>
> Regards
> Jonathan Lewis
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> Author: Jamadagni, Rajendra
> INET: Rajendra.Jamadagni_at_espn.com
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-- 
Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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Received on Tue Dec 30 2003 - 13:44:26 CST