create_table "comments", force: true do |t| t.integer "user_id" t.datetime "created_at" t.datetime "updated_at" end create_table "users", force: true do |t| t.string "comment" t.datetime "created_at" t.datetime "updated_at" end irb(main):001:0> user = User.create irb(main):002:0> user.comments.create irb(main):004:0> p user.comments #<ActiveRecord::Associations::CollectionProxy [#<Comment id: 8, u