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queries on collecting schema statistics (oracle 9i)

From: nirav <shivam71_at_gmail.com>
Date: 14 Jun 2006 04:08:07 -0700
Message-ID: <1150283287.699820.224060@g10g2000cwb.googlegroups.com>


Hi All,

I have a few questions on this,

  1. In your project do you collect statistics on sys or system account? We have the practice of not collecting schema statistics on sys and system accounts... probably because there have been some reports of systems suffering from performance issues after collecting statistics on sys.
  2. Recommended way to go about collecting schema statistics...in oracle 9i with monitoring option and gather stale/auto, it is possible to collect statistics only on tables that have significant changes. Do you collect statistics regularly on time based event like at daily or weekly interval or do you collect statistics based on dml activities? (i.e. By turning on the monitoring option etc) In the later case have you experienced any problems related to statistics?

With thanks,
Nirav Received on Wed Jun 14 2006 - 06:08:07 CDT

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