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  Oracle Tips by Burleson

Memory Tuning

Database internals tuning is a complex topic. Just when you think you have Oracle internals figured out, Oracle slips in some new features, takes old ones away, or, just for some perverse form of fun, changes the structures of tried-and-true tables and views. Actually it is all a secret plot between senior Oracle DBAs and Oracle to maintain job security.

This section will cover one of the more challenging and critical aspects of the DBA job: analyzing, diagnosing, and fixing database internals performance problems. The last chapter discussed application tuning. You will get a majority of the performance gains in an application from proper database configuration and application tuning. However, where you will be most exposed will be in the area of internals tuning. Squeezing that last bit of performance from the database seems to be the one area managers like to focus on (they forgot the bit about application tuning and now expect you to work miracles) when there are problems.

This is an excerpt by Mike Ault’s book “Oracle9i Administration & Management” .  If you want more current Oracle tips by Mike Ault, check out his new book “Mike Ault’s Oracle Internals Monitoring & Tuning Scripts” or Ault’s Oracle Scripts Download.

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