Part III. PL/SQL Program Data
Just about every program you write will manipulate data—and much of that data is “local” (i.e., defined in) your PL/SQL procedure or function. This part of the book concentrates exhaustively on the various types of program data you can define in PL/SQL, such as numbers, strings, records, and collections. You will learn about the new datatypes introduced in Oracle9i, such as INTERVAL, TIMESTAMP, XMLType, and others. Chapters 7 through 12 also cover the various built-in functions provided by Oracle that allow you to manipulate and modify data.
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