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: where is info stored when using the ANALYZE cmd?

RE: where is info stored when using the ANALYZE cmd?

From: Stephane Faroult <sfaroult_at_oriolecorp.com>
Date: Wed, 28 May 2003 06:09:43 -0800
Message-ID: <F001.005A41CA.20030528060943@fatcity.com>


>1. If I analyze the code using the explain plan,
>where is info created from this explain plan stored
>at?

Look for the PLAN_TABLE table (prior to 9 - otherwise there is a package). If you don't have any PLAN_TABLE create it by running $ORACLE_HOME/rdbms/admin/utlxplan prior to executing the EXPLAIN command.

>2. If I added more buffers to the buffer-cache,
>where should
>I go check if they made any positive difference?
>

iostat ? V$BH (to see whether your buffers are used) and V$FILESTAT as well. Your goal is to have fewer I/Os, isn't it ?

Regards,

Stephane Faroult
Oriole

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriolecorp.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_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).
Received on Wed May 28 2003 - 09:09:43 CDT

Original text of this message

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