Ruby on RailsDatabase migrationsPublic
Ruby on Rails
Ruby on Rails is Ruby's most popular server-side web framework. It uses an MVC model, and provides useful features, like database access, out of the box.
Database migrations are an unavoidable part of continuous software development and integration, and every developer should be familiar with them.
Public questions (free account) are common interview questions. They are great for practicing, or if you want to filter candidates using the classic problems.
Select all statements that are correct after the following migration has been executed:
class ContactsMigration < ActiveRecord::Migration def change create_table :contacts do |t| t.string :name t.integer :telephone_number t.text :address, null: false t.timestamps end end end
(multiple correct answers possible)