November 2015
Beginner to intermediate
840 pages
26h 30m
English
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3.5.1 Understanding Migrations
Models allow us to define the structure, relations, and behavior of the data we use on our website. The behavior we’ve defined will have a direct effect on our use of the data in Python (as we shall see in the next section), but the structure we’ve created is just an abstraction for how the data will be stored in the database. In Django, models and the database schema are reflections of one other. Any modification of one must result in the modification of the other. In a fully deployed team project, this can be quite tricky. If one developer makes a change to his or her local test database, he or she needs a way to share these changes with other developers and the various servers running the website(s) in a repeatable ...
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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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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.