In this example, I will show you how to allow a single form submission from a parent object with multiple children associate to it using the “nested form”. 1) Let say we have a schema for albums that has many photos associate to it. create_table "albums", force: true do |t| t.string "title", null: false t.text "description" t.integer "user_id" t.datetime "created_at" t.datetime "updated_at" end cr