20161026163027_change_learning_object.rb

class ChangeLearningObject < ActiveRecord::Migration[5.0]
  def change
    add_column :learning_objects, :link, :string
    add_column :learning_objects, :software, :string

    remove_column :learning_objects, :keywords
    remove_column :learning_objects, :school_level

    drop_table :learning_objects_topics
  end
end