Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Mailing Lists -> Oracle-L -> Re: Re: how to get oracle to ignore an index

Re: Re: how to get oracle to ignore an index

From: <Jared.Still_at_radisys.com>
Date: Fri, 6 Feb 2004 10:50:33 -0800
Message-ID: <OFA455F5A1.91C02D61-ON88256E32.0067704B-88256E32.00676F41@radisys.com>


You may have seen it in an article.
The reliability of information depends on the source.

Jared

<ryan.gaffuri_at_cox.net>
Sent by: oracle-l-bounce_at_freelists.org
 02/06/2004 10:28 AM
 Please respond to oracle-l  

        To:     oracle-l_at_freelists.org
        cc: 
        Subject:        Re: Re: how to get oracle to ignore an index


i cant reproduce the data for you. its internal. I tested it repeatedly. I was very careful about the hint.

select /*+ index(<index_name>) */
select /*+ index(<table> <index_name>) */

Tried it repeatedly. I've seen it before. Sorry, I cant show you the data, etc... I could have swarn I read in the docs that hints are just directives and oracle does not have to use them? I cant find it right now. Am I wrong? I'm pretty sure I have seen that several times.
>
> From: "Jonathan Lewis" <jonathan_at_jlcomp.demon.co.uk>
> Date: 2004/02/06 Fri PM 12:52:47 EST
> To: <oracle-l_at_freelists.org>
> Subject: Re: Re: how to get oracle to ignore an index
>
>
> Why do you think that Oracle can choose to ignore hints ?
> Do you have reproducible example that proves the point ?
>
> Bear in mind that a comment that looks like
> a hint is only a hint if it is used correctly in
> the right context.
>
>
> Regards
>
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk



Please see the official ORACLE-L FAQ: http://www.orafaq.com

To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line.
--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
Received on Fri Feb 06 2004 - 12:50:33 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US