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Re: IBM Debunks Oracle's MultiVersion Read Consistency ?

From: Niall Litchfield <n-litchfield_at_audit-commission.gov.uk>
Date: Fri, 9 May 2003 09:05:48 +0100
Message-ID: <3ebb615c$0$10624$ed9e5944@reading.news.pipex.net>


"Mikito Harakiri" <mikharakiri_at_ywho.com> wrote in message news:L0yua.5$cw.99_at_news.oracle.com...
> "Daniel Morgan" <damorgan_at_exxesolutions.com> wrote in message
> news:3EBA7745.9FF23FF4_at_exxesolutions.com...
> > 1. Demand for employees: A quick trip to dice.com, monster.com, and
> > hotjobs.com indicates no erosion
> > Worldwide: 997 jobs for DB2, 3786 for Oracle
>
> Cause oracle is 4 times more labor intensive?
>
> > 2. Demand for training materials: A quick trip to amazon.com,
> > barnesandnoble.com, etc. indicate no erosion
> > 226 books on DB2, 1095 on Oracle
>
> They have 4 times more unnecessary features?
>
> I've just waisted half a day researching why my database hangs. Printing
> pstack indicated some semahores waiting, etc, etc. Finally 10046 trace
> revealed that it waits me to manually switch archive log! I
unintentionally
> turned on archive because I was not able to offline a tablespace without
> turning archive log -- oracle error explicitly requred me to do so. Unlike
> other parameters, archiving mode is not listed in init.ora, but still
> persists through database shutdown, who might expect it?
The first place to start with a problem database is always the alert.log.

-- 
Niall Litchfield
Oracle DBA
Audit Commission UK
Received on Fri May 09 2003 - 03:05:48 CDT

Original text of this message

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