November 2004
Intermediate to advanced
576 pages
11h 49m
English
book
DB2® SQL PL: Essential Guide for DB2® UDB on Linux™, UNIX®, Windows®, i5/OS™, and z/OS®, Second Edition
by Zamil Janmohamed, Clara Liu, Drew Bradstock, Raul Chong, Michael Gao, Fraser McArthur, Paul Yip
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Chapter 6. Condition Handling
In this chapter, you will learn
What
SQLCODEandSQLSTATEare and their differencesWhat a condition handler is, how and when to best use it, its range and scope, and how to work with multiple handlers
How to force an application or user-defined exception, and set the appropriate message tag to go along with it
Various ways of returning errors, and how to check the success and/or failure of a stored procedure call
Any textbook that deals with the subject of writing code is not complete without a discussion on how to process errors and other conditions. Anticipating and handling conditions is part and parcel of good, robust programming style. With DB2 SQL procedures, this is accomplished through the use of condition handlers. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.