Introduction

Performance Basics

Performance Monitoring and the Tools You Use

Effect of Configuration on CPU Utilization

Effect of Configuration on Memory Utilization

Effect of Configuration on I/O Activity

Table Performance Considerations

Index Performance Considerations

Locking

Fragmentation Guidelines

In This Chapter

Planning a Fragmentation Strategy

Designing a Distribution Scheme

Fragmenting Indexes

Fragmenting Temporary Tables

Using Distribution Schemes to Eliminate Fragments

Improving the Performance of Attaching and Detaching Fragments

Monitoring Fragment Use

Queries and the Query Optimizer

Optimizer Directives

Parallel Database Query

Improving Individual Query Performance

The onperf Utility on UNIX

Appendix A. Case Studies and Examples

Appendix B. Accessibility

Notices

Index