Jump Start Rails

Chapter 3Working with Data

The focus of this chapter is to begin building our project app in earnest. We'll create resources and see how we can work with migrations to add to, and change, the structure of our database tables. We'll also install a Ruby gem called ActiveAdmin that will give us a really slick interface to manage the database content for our app.

Aside from the fact that ActiveAdmin is a powerful administration tool, it's also a valuable time saver. And since Jump Start Rails is a short book, we'll be using it here for that very reason. You should be aware of that, and the fact that ActiveAdmin won't be the right choice for all apps you might build. If, for example, you need to design a lot of flexibility into your app, using the ...