SQL Performance Tuning

Preface

A poorly performing database application can cost each user time and have an impact on other applications running on the same computer or the same network.

The purpose of this book is to help you improve the performance of your SQL database. It is not an introduction to SQL syntax, not a tuning manual for a specific SQL implementation, and not a guide to design or data modelling. Instead, we've written it for users and programmers who want to improve SQL performance, no matter what brand of SQL they use. In this book, you'll find tuning tips for common situations, such as, “How to change a query so it will go faster,” “What an index does,” and “Shifting work from the server to the client.”

Rather than exploiting the unique features of a ...