Impact of query tuning

From: Boivin, Patrice J <BoivinP_at_mar.dfo-mpo.gc.ca>
Date: Fri, 11 May 2001 07:33:29 -0700
Message-ID: <F001.00300BD2.20010511062621@fatcity.com>

I just thought I should advertise this... usually people just complain.

        Hi Patrice,
        I have added indexes on the foreign keys in the [schema_name]

tables. Also, I "tuned" the SQL statements I was using to perform the desired deletes.

        Results: The one delete job that ran for over 6 hours was performed in under 5 seconds!!!

        These changes have dramatically increased not only the delete process on the biochem tables but all activities I have performed.

        A sincere thanks for your help!!

Heh heh.

Patrice Boivin
Systems Analyst (Oracle Certified DBA)

Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services        | Services technologiques
Informatics Branch         | Direction de l'informatique 
Maritimes Region, DFO      | Région des Maritimes, MPO

E-Mail: boivinp_at_mar.dfo-mpo.gc.ca <mailto:boivinp_at_mar.dfo-mpo.gc.ca>

--

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

Author: Boivin, Patrice J
  INET: BoivinP_at_mar.dfo-mpo.gc.ca

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). Received on Fri May 11 2001 - 09:33:29 CDT