class CreateClinicsAppointments < ActiveRecord::Migration[4.2] def change create_table :clinics_appointments do |t| t.datetime :starts_at, null: false t.integer :patient_id, null: false t.integer :user_id, null: false t.integer :clinic_id, null: false end add_foreign_key :clinics_appointments, :patients add_foreign_key :clinics_appointments, :users add_foreign_key :clinics_appointments, :clinics end end