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Rails and Active Record Lab

Learning Goals

  • Use Rails to generate a model
  • Add methods to a model

Introduction

Throughout this module, we'll be building an application for viewing student data. In this lesson, we'll start by creating a Student model.

To get set up, run bundle install to download all the necessary dependencies.

Then, run learn test to run the tests.

Instructions

Using rails g model, create a new Student model with the following attributes:

  • first_name (string)
  • last_name (string)
  • grade (integer)

Add an instance method Student#to_s which will return the student's first name and last name concatenated with a space between. For example: calling .to_s on a student with a first_name of "Dwayne" and a last name of "Johnson" should return "Dwayne Johnson".

Note: remember to run rails db:migrate after generating the migration file. You can also test your code by running rails c and creating a Student instance.