Chapter 18. Data manipulation triggers

After completing this chapter, you will be able to

  • Explain the different types of triggers.

  • Create, alter, and drop triggers.

  • Explain practical uses of triggers.

Data manipulation triggers are sets of T-SQL statements that perform a specific action. They are often referred to as a special kind of stored procedure. Unlike stored procedures, triggers are executed only when a user or application attempts to modify data using Data Manipulation Language (DML). DML includes INSERTs, UPDATEs, and DELETEs against views and tables.

In this chapter, you will look at different types of DML triggers. You will learn how to create, modify, and drop triggers. Finally, you will walk through the steps to enable or disable an existing ...

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