question builder

db/migrate/20140109191321_create_conferences_questions.rb

@@ -0,0 +1,8 @@
+class CreateConferencesQuestions < ActiveRecord::Migration
+  def change
+    create_table :conferences_questions, :id => false do |t|
+      t.references :conference
+      t.references :question
+    end
+  end
+end