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Oracle Database 11gR2 Performance Tuning Cookbook by Ciro Fiorillo

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Chapter 1. Starting with Performance Tuning

Performance tuning is a complex process, which requires a deep knowledge of both physical and logical database structures. In this chapter, we will introduce the process and methodology to adopt in performance tuning an Oracle Database, covering the following recipes:

  • Reviewing the performance tuning process
  • Exploring the example database
  • Acquiring data using a data dictionary and dynamic performance views
  • Analyzing data using Statspack report
  • Diagnosing performance issues using the alert log
  • Analyzing data using Automatic Workload Repository (AWR)
  • Analyzing data using Automatic Database Diagnostic Monitor (ADDM)
  • A working example

Introduction

There are a wide range of issues that could lead to poor performance. ...

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