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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Using PL/SQL exception handling in a procedure
In object-oriented languages, we have the concept of exception blocks and catch blocks. The code in the exception block can raise an exception and the catch block handles this exception. We can implement a similar logic in DB2 by using exception blocks.
As part of PL/SQL support, DB2 9.7 extends the support for exception handling by providing the concept of exception blocks. We can define a set of possible exceptions and their respective handlers for a given set of SQL statements. In this recipe, we will discuss how we can design and implement exception handling by using PL/SQL exception blocks.
How to do it...
To implement PL/SQL exception handling, we need to declare all exceptions that we anticipate ...
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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.