April 2024
Intermediate to advanced
800 pages
18h 34m
English
Content preview from SQL All-in-One For Dummies, 4th Edition
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Chapter 4
Error Handling
IN THIS CHAPTER
Identifying error conditions
Discovering SQLSTATE
Dealing with whatever comes your way
Using the WHENEVER clause
Checking the diagnostics areas
Seeing an example of a constraint violation
Putting more constraints on an existing table
Interpreting SQLSTATE information
Handling exceptions
Wouldn’t it be great if every application you wrote worked perfectly every time? Yeah, and it would also be really cool to win $210 million in the Powerball lottery. Unfortunately, both possibilities are equally unlikely to happen. Error conditions of one sort ...
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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.