April 2019
Beginner to intermediate
244 pages
6h 34m
English
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Chapter 16Using Schemas Without Tables
Some database libraries automatically map database tables to the data structures you use in your application code.
Ecto is not one of them.
Instead, we create our schema structs manually by specifying each of the fields and their types.
At first blush, this can feel like unnecessary work that the framework could be doing for us. But it’s actually doing us a service. It allows us to consider the data structures we use in code separately from how that data is stored. This means that we can design our code to be as flexible and expressive as possible, without having to adhere to the rules imposed by relational databases.
In this chapter, we’ll start breaking away from developing schemas that exactly match ...
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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.