April 2019
Beginner to intermediate
244 pages
6h 34m
English
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Chapter 13Working with Embedded Schemas
Embedded schemas are an alternative to using associations. Unlike regular associations, embedded schemas are stored on the same record as the parent schema, rather than a separate table. They are “embedded” in the parent schema.
Choosing embedded schemas (or “embeds”) over associations has advantages in some use cases, but working with them is a little different. In this chapter, we’ll go over how to create and manage embeds, and we’ll discuss why you might (or might not) want to use them.
Please note that the examples in this chapter will not work with MySQL. At the database level, we’ll be using the array column type to store embedded “has many” relationships, and as of this writing, MySQL does not ...
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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.