Prentice Hall Oracle Plsql By Example 3Rd Edition [Electronic resources]

Benjamin Rosenzweig

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نمايش فراداده

Chapter 17. Triggers

Chapter Objectives

In this Chapter, you will learn about:

What Triggers Are

Types of Triggers

Mutating Table Issues

In Chapters 12 through 16, you explored the concepts of stored code and different types of named PL/SQL blocks, such as procedures, functions, and packages. In this chapter, you will learn about another type of named PL/SQL block called a database trigger. You will also learn about different characteristics of triggers and their usage in the database.