December 2010
Intermediate to advanced
451 pages
11h 16m
English
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9-5. Raising User-Defined Exceptions Without an Exception Handler
Problem
Your application includes some error handling that is specific to your application. For instance, you want to ensure that the input value for a procedure is in the valid format to be an e-mail address. Rather than writing an exception handler for each user-defined exception, you want to simply raise the exception inline and provide an error number as well.
Solution
This scenario is perfect for using the RAISE_APPLICATION_ERROR procedure. Test the e-mail address that is passed into the procedure to ensure that it follows certain criteria. If it does not contain a specific characteristic of a valid e-mail address, use the RAISE_APPLICATION_ERROR procedure to display an exception ...
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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.