March 2012
Intermediate to advanced
442 pages
9h 31m
English
Content preview from IBM DB2 9.7 Advanced Application Developer CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Handling errors in stored procedures
Whenever any SQL statement is executed, it either succeeds or fails. As an application developer, we need to make sure that we handle all possible errors gracefully. To ease this task, DB2 provides various tools or methods that can be used for better error handling.
There are two types of errors. If an SQL statement literally fails, then that's an error. However, there could be cases where the SQL statement passes technically but the results are not proper from a business point of view. For example, if we are updating salaries of employees in the Employee table and if the new salary becomes negative somehow, then technically the update was successful, but we all know that negative salary is not valid. So we ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.