Re: RULE versus CHOOSE - sorry it's long

Having recently read the note on this on MetaLink, it was fresh in my memory. :)

Jared

On Monday 09 July 2001 05:50, Koivu, Lisa wrote:
> Thank you for correcting me Jared.
>
> Lisa
>
> > -----Original Message-----
> > From: Jared Still [SMTP:jkstill_at_cybcon.com]
> > Sent: Friday, July 06, 2001 11:36 PM
> > To: ORACLE-L_at_fatcity.com; Koivu, Lisa
> > Subject: Re: RULE versus CHOOSE - sorry it's long
> >
> > On Friday 06 July 2001 06:41, Koivu, Lisa wrote:
> > > Choose invokes the cost based optimizer (CBO). If the
> > > optimizer_goal = RULE, it is rule, period (RBO).
> >
> > Not true Lisa.
> >
> > Try setting parallel degree > 1 on a table, do an explain
> > plan on a SELECT and see what happens.
> >
> > Certain operations require CBO, and CBO will be invoked
> > regardless of the CHOOSE setting.
> >
> > Jared

Content-Type: text/html; name="Attachment: 1"
Content-Transfer-Encoding: quoted-printable
Content-Description: 
----------------------------------------

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).