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RE: Frequency of Analyze

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Fri, 15 Feb 2002 09:35:30 -0800
Message-ID: <F001.00411295.20020215092435@fatcity.com>

Arslan - Yes, I agree with Bunyamin. I perform weekly analyzes on my OLTP databases. This allows me to create a history of table growth for capacity projections. I have found a weekly measure of table rows is a reasonable balance between the ability to catch unexpected events and the effort required. Also, it is easier to remember that other time intervals, like every 10 days, for example. However, when you first put a new application into production, you may want to analyze it more frequently. I would recommend Burleson's book Oracle High-Performance Tuning with STATSPACK for scripts that will help you implement this. Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Friday, February 15, 2002 10:33 AM To: Multiple recipients of list ORACLE-L

It is due to your data change. If small number of of data change occurs you may need to do it monthly . But
I have read somewhere that Analyze is recommended for every week for oltp databases.  

Bunyamin  

What is the recommended frequency of analyzing schemas in an OLTP environment?

DB size near 8 GB. Oracle 8.1.7.0.0 on NT 4.

BM__MailAutoSigArslan Zaheer Dar

arslandar_at_skm.org.pk <mailto:arslandar_at_skm.org.pk>

Database Administrator

Shaukat Khanum Memorial Cancer Hospital & Research Centre

www.shaukatkhanum.org.pk <http://www.shaukatkhanum.org.pk>

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Author: DENNIS WILLIAMS
  INET: DWILLIAMS_at_LIFETOUCH.COM

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