Re: monitor column usage or index usage?

From: Michael Thomas <mhthomas_at_yahoo.com>
Date: Fri, 7 May 2004 13:20:05 -0700 (PDT)
Message-ID: <20040507202005.68228.qmail@web50603.mail.yahoo.com>

Jonathan,

Thanks for your information. I'm using 9.2.0.4 E on RHEL3U1, which I didn't remember with my post. I was hoping for some information (just like you provided) to get me going in the right direction.

• Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk> wrote:
  >
  > What do you mean by 'working' ?
  

During a small test, the tables I created and performed DML and SELECT's did not have any values in col_usage$. I was confused, and I did not found much information on col_usage$ to assist my understanding of pertinent and related features. I will verify MONITORING, AUTO, etc., settings and try again.

By 'working' I'm saying basically 'in control' of what I expect to see in my tests. Otherwise, 'not working' is when I'm lost, regardless of results. ;-)

Just wanted to say a quick thanks.

Regards,

Mike Thomas                          

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Received on Fri May 07 2004 - 15:17:20 CDT