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

External triggers

External triggers are a powerful feature in IBM DB2 for i. This chapter describes several technical aspects of external triggers. It also provides examples and guidelines to show how you can take advantage of external triggers in your application environment.

This chapter describes the following topics:

•Defining a trigger

•Trigger program structure

•Trigger feedback to application programs

•Designing trigger programs

•Applications and triggers: Design considerations

•Recommendations

8.1 Defining a trigger

On the IBM i server, ...