June 2010
Intermediate to advanced
328 pages
7h 51m
English
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Solution: Tailored to Fit
A primary key is a constraint, not a data type. You can declare a primary key on any column or set of columns, as long as the data types support indexing. You should also be able to define a column as an auto-incrementing integer without making it the primary key of the table. The two concepts are independent of each other.
Don’t let inflexible conventions get in the way of good design.
Tell It Like It Is
Choose sensible names for your primary key. The name should convey the type of entity that the primary key identifies. For example, the primary key of the Bugs table should be bug_id.
Use the same column name in foreign keys where possible. This often means that the name of a primary key should be unique within ...
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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.