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Pro Oracle SQL, Second Edition by Jared Still, Riyaj Shamsudeen, Robyn Sands, Kerry Osborne, Karen Morton

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CHAPTER 6

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SQL Execution Plans

You’ve seen quite a few execution plans in the first chapters of this book, but in this chapter I go into detail about how to produce and read plans correctly. I’ve built the foundation of knowledge you need to understand the most common operations you’ll see used in execution plans, but now you need to put this knowledge into practice.

By the end of this chapter, I want you to feel confident that you can break down even the most complex execution plan and understand how any SQL statement you write is being executed. With the prevalence of development tools such as SQL Developer, SQL Navigator, and TOAD (just to ...

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