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Does dbconsole installation install Automatic SQL Tuning or other Tuning Jobs?

edited May 23, 2013 12:33AM in SQL Performance (MOSC) 4 commentsAnswered
HI,

We recently came across a bizarre situation, where one of our PL/SQL procedures which used to run for hours on , completed within record times.  Obviously the code is legacy and old (and possibly not tuned well).   Used to run for 6 or 7+ hours.   We're on Oracle 11GR2 (11.2.0.3.0) on Linux.   But something weird happened when we installed dbconsole ( command: emca -config dbcontrol db -repos recreate ).    After the dbconsole was installed, the procedure ran only for 40-45 mins.   Our suspicious was that the dbconsole installation activated the sql tuning and/or other dbms statistics gathering jobs.   We retried this again by exporting the data to another server, without dbconsole .  And it took the same old 7+ hours.   

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