CHAPTER 6

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Object Statistics and Deployment

This chapter introduces the second of the two important themes of the book: how to manage the performance of SQL statements in a production environment. This is undoubtedly the most controversial chapter in this book as some experts may disagree with the views I express here, particularly as they fly in the face of Oracle’s stated strategy. Nevertheless, I am very far from alone in reaching the conclusions that I have, and the techniques I describe have been used by a number of people to stabilize the performance of many Oracle databases. Let us begin with some generic observations about performance ...

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