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DB2® for z/OS® Version 8 DBA Certification Guide
book

DB2® for z/OS® Version 8 DBA Certification Guide

by Susan Lawson
October 2004
Intermediate to advanced content levelIntermediate to advanced
688 pages
16h 35m
English
IBM Press
Content preview from DB2® for z/OS® Version 8 DBA Certification Guide

Chapter 15. Object-Relational Functionality

• Triggers

• Object-relational extensions

• Large objects

This chapter covers some of the more powerful features of DB2's SQL. The extended programming features, user-defined functions, and table functions are discussed, along with triggers and distinct types. The object-relational extensions used to support these features are also covered, as are implementing and using large objects (LOBs) and DB2 extenders.

Triggers

An active trigger is a set of actions that will be executed when a defined event occurs. Such an event can be any of the the following SQL statements:

INSERT

UPDATE

DELETE

A trigger is defined for a specific table. Once defined, a trigger is automatically active. A table can have ...

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Publisher Resources

ISBN: 0131491202Purchase book