demo_app/my_platform/db/migrate/20170608210327_create_betas.your_platform.rb
# This migration comes from your_platform (originally 20170608134552)
class CreateBetas < ActiveRecord::Migration[4.2]
def change
create_table :betas do |t|
t.string :title
t.integer :max_invitations_per_inviter
t.timestamps null: false
end
end
end