Hi

What is the query?
What is the explain plan w/o hints?
what is th eexplain plan with hints?

Is it doing hash joins w/o hints (Full table scans) and nested loops with
hints?


Jack




"C.S.Venkata Subramanian" <[EMAIL PROTECTED]>@fatcity.com on 04-01-2002
12:35:19

Please respond to [EMAIL PROTECTED]

Sent by:  [EMAIL PROTECTED]


To:   Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc:    (bcc: Jack van Zanen/nlzanen1/External/MEY/NL)

I have analysed the schema using dbms_utility

--

On Thu, 03 Jan 2002 23:25:18
 nlzanen1 wrote:
>
>
>Hi,
>
>Tables Analyzed recently?
>Indexes analyzed recently?
>Histograms possibly?
>
>
>If all else fails hints are there to force a certain execution anyway
>(Oracle must have known that the CBO wasn't/isn't perfect) so just use
>them.
>
>
>Jack
>
>
>
>
>"C.S.Venkata Subramanian" <[EMAIL PROTECTED]>@fatcity.com on 04-01-2002
>06:40:21
>
>Please respond to [EMAIL PROTECTED]
>
>Sent by:  [EMAIL PROTECTED]
>
>
>To:   Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
>cc:    (bcc: Jack van Zanen/nlzanen1/External/MEY/NL)
>
>Dear All,
>I have been entrusted to tune a web based application. This product is at
>development stage. I generated the trace  file and found out the indexes
on
>the table. So I specified hints in all the queries and tested the
>application. There was a remarkable increase in performance. Can any one
>tell me why we have to specify the hints in the queries, when the tables
>are having index already.
>
>Platform: WinNT Oracle 8.1.6. Application is developed in JSP and Web
>server is iPlanet Enterprise Edition.
>
>TIA
>
>Regards
>Venkat
>
>
>--
>Click here for your very own create-a-date adventure from MatchMaker
>Go to http://ecard.matchmaker.com/dating.html
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: C.S.Venkata Subramanian
>  INET: [EMAIL PROTECTED]
>
>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: [EMAIL PROTECTED] (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).
>
>
>
>
>===================================================================
>De informatie verzonden met dit E-mail bericht is uitsluitend bestemd voor
>de geadresseerde. Gebruik van deze informatie door anderen dan de
>geadresseerde is verboden. Openbaarmaking, vermenigvuldiging, verspreiding
>en/of verstrekking van deze informatie aan derden is niet toegestaan.
>Ernst & Young staat niet in voor de juiste en volledige overbrenging van
de
>inhoud van een verzonden E-mail, noch voor tijdige ontvangst daarvan.
>===================================================================
>The information contained in this communication is confidential and may be
>legally privileged. It is intended solely for the use of the individual or
>entity to whom it is addressed and others authorised to receive it. If you
>are not the intended recipient you are hereby notified that any
disclosure,
>copying,  distribution or taking any action in reliance on the contents of
>this information is strictly prohibited and may be unlawful. Ernst &
>Young is neither liable  for the proper and complete transmission of the
>information contained in this communication nor for any delay in its
>receipt.
>===================================================================
>
>
>
>
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author:
>  INET: [EMAIL PROTECTED]
>
>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: [EMAIL PROTECTED] (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).
>


--
Click here for your very own create-a-date adventure from MatchMaker
Go to http://ecard.matchmaker.com/dating.html
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: C.S.Venkata Subramanian
  INET: [EMAIL PROTECTED]

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: [EMAIL PROTECTED] (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).




===================================================================
De informatie verzonden met dit E-mail bericht is uitsluitend bestemd voor
de geadresseerde. Gebruik van deze informatie door anderen dan de
geadresseerde is verboden. Openbaarmaking, vermenigvuldiging, verspreiding
en/of verstrekking van deze informatie aan derden is niet toegestaan.
Ernst & Young staat niet in voor de juiste en volledige overbrenging van de
inhoud van een verzonden E-mail, noch voor tijdige ontvangst daarvan.
===================================================================
The information contained in this communication is confidential and may be
legally privileged. It is intended solely for the use of the individual or
entity to whom it is addressed and others authorised to receive it. If you
are not the intended recipient you are hereby notified that any disclosure,
copying,  distribution or taking any action in reliance on the contents of
this information is strictly prohibited and may be unlawful. Ernst &
Young is neither liable  for the proper and complete transmission of the
information contained in this communication nor for any delay in its
receipt.
===================================================================





-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: 
  INET: [EMAIL PROTECTED]

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: [EMAIL PROTECTED] (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).

Reply via email to