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Oracle Database 10g SQL by Jason Price

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CHAPTER 6Subqueries

All the queries you’ve seen so far in this book have contained just one SELECT statement. In this chapter, you will

Image Learn how to place a SELECT statement within an outer SELECT, UPDATE, or DELETE statement. The inner SELECT statement is known as a subquery.

Image Learn about the different types of subqueries and see how to use them.

Image See how subqueries allow you to build up very complex statements from simple components.

Types of Subqueries ...

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