Message-ID: <F001.0058F801.20030505074641@fatcity.com>
Date: Mon, 05 May 2003 07:46:41 -0800
To: Multiple recipients of list ORACLE-L <ORACLE-L@fatcity.com>
Sender: root@fatcity.com
Reply-To: ORACLE-L@fatcity.com
Errors-To: ML-ERRORS@fatcity.com
From: "AK" <oramagic@hotmail.com>
Subject: Re: which should be faster
Organization: Fat City Network Services, San Diego, California
Precedence: bulk
Mime-Version: 1.0
Content-Type: text/plain;	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

does predicate order makes diff in cob also ? 
oracle 8.1.7 

-ak

----- Original Message ----- 
To: "Multiple recipients of list ORACLE-L" <ORACLE-L@fatcity.com>
Sent: Saturday, May 03, 2003 8:11 AM


> 
> Did you also test with index compression in place
> on the organization column ?
> 
> If your tests were:
>           organization = 'XXX'
>     and inv_date between ....
> 
> did you also test
>           inv_date between ....
> and    organization = 'XXX'
> 
> Under Oracle 8, the predicate order
> can make a difference - although in
> this case I don't think you would see
> much difference, as neither predicate
> is an eliminator at the filter level.
> 
> 
> Regards
> 
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk
> 
>   The educated person is not the person
>   who can answer the questions, but the
>   person who can question the answers -- T. Schick Jr
> 
> 
> One-day tutorials:
> http://www.jlcomp.demon.co.uk/tutorial.html
> 
> ____Denmark__May 21-23rd
> ____Sweden___June
> ____Finland__September
> ____Norway___September
> 
> Three-day seminar:
> see http://www.jlcomp.demon.co.uk/seminar.html
> ____UK_(Manchester)_May x 2
> ____Estonia___June (provisional)
> ____Australia_June (provisional)
> ____USA_(CA, TX)_August
> 
> The Co-operative Oracle Users' FAQ
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
> 
> 
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L@fatcity.com>
> Sent: 02 May 2003 22:31
> 
> 
> > Actually I found a note on tom kyte's book(expert one on one)  that
> it
> > shouldn't matter weather u index c1,c2 or c2,c1 . Although my
> scenerio is
> > not exact . But its kinda similer . I did a little testing and found
> that
> > just invdate is faster compare to org , indate .
> >
> > Thanks ,
> > -ak
> >
> 
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Jonathan Lewis
>   INET: jonathan@jlcomp.demon.co.uk
> 
> Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
> San Diego, California        -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru@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).
> 
> 
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: AK
  INET: oramagic@hotmail.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru@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).