Introduction to Tuning

This chapter introduces the first of the two major themes of this book: tuning a SQL statement. The systematic process described in this chapter is designed to identify an approach to the execution of a SQL statement that ensures that the SQL statement runs in a reasonable amount of time without undue consumption of resources. At this stage I am just going to give you an overview of the process. I will go into a lot more detail in Part 4 of this book.

It is important to understand that the techniques used to identify the approach to getting a SQL statement to run fast may be different from the techniques used ...

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