External Procedures, Triggers, and User-Defined Functions on IBM DB2 for i

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Database triggers

Triggers represent one of the most powerful features of IBM DB2 for i. This chapter introduces the concept of triggers, when they can be used, and the types of triggers that are supported by DB2 for i.

This chapter describes the following topics:

•Trigger concepts

•Types of triggers in DB2 for i

•Enabling and disabling a trigger

•Displaying and reviewing trigger information

•System catalog tables

•Authorization and adopted authorities on triggers

•Renaming and copying

7.1 Trigger concepts

Triggers are application-independent

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