March 2003
Beginner
672 pages
14h
English
book
Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
by Michael J. Hernandez
Content preview from Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
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Reviewing and Refining Data Integrity
Reviewing data integrity is a simple task if you take a modular approach, that is, if you sequentially review each component of overall data integrity: table-level, field-level, and relationship-level integrity and business rules. If you have carefully followed the design method presented in this book, you should encounter very few problems here. The following sections briefly outline the points you should keep in mind as you conduct the review, and they contain references to earlier chapters in case you encounter any problems.
At the Table Level
In order to ensure that you've properly established table-level integrity, review each table and make certain that the table conforms to all of the following ...
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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.