November 2006
Beginner to intermediate
108 pages
1h 57m
English
Content preview from Creating your MySQL Database: Practical Design Tips and TechniquesBecome 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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Validating the Structure
Validation is done by using precise examples, asking ourselves if we have a column to place all information, covering all cases. Maybe there will be exceptions—what to do with those? Should our structure handle them? We can assess the risk factor associated with those exceptions, versus the cost of handling them and the possible loss in performance for the queries.
An example of an exception: a customer buys two cars the same day—this could influence the choice of primary key, if a date is part of this key, it will be conducive to add a column to this key: the time of day for the sale.
The phpMyAdmin utility can prove useful here. Tables are easily built with this software, while its index management feature permits us to ...
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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.
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