October 2008
Intermediate to advanced
352 pages
10h 30m
English
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Exercises
Based on what you know about the problem domain, for each column in data from this chapter model, list the ranges of valid and invalid data.
Write unit tests for those boundary conditions. Where appropriate, add validations to make your unit tests pass.
Add the
theatre_idcolumn back to themovie_showtimestable. Prove to yourself that you can reproduce the anomalous situation described in this chapter. Is there any way you can use a database constraint to prevent the anomalies?
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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.