PL/SQL User's Guide and Reference

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CHAPTER 3. Control Structures

One ship drives east and another drives west With the selfsame winds that blow. 'Tis the set of the sails and not the gales Which tells us the way to go.

Ella Wheeler Wilcox

This chapter shows you how to structure the flow of control through a PL/SQL program. You learn how statements are connected by simple but powerful control structures that have a single entry and exit point. Collectively, these structures can handle any situation. And, their proper use leads naturally to a well-structured program.


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