Oracle Database 12c PL/SQL Programming

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CHAPTER

Language Fundamentals

This chapter builds on the discussion of PL/SQL architecture in Chapter 1 and PL/SQL basics in Chapter 3. It explains scalar and composite variables and how you assign values to these variable types.

The chapter is divided into two sections:

Lexical units

Variable and data types

Lexical units are the bricks and mortar that let you build programs. The next two sections cover these fundamentals.

Lexical Units

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