create_table "store_categories", force: :cascade do |t| t.string "title" end create_table "stores", force: :cascade do |t| t.integer "category_id" t.string "name" end
class StoreCategory < ActiveRecord::Base has_many :stores, foreign_key: :category_id end
class Store < ActiveRecord::Base belongs_to :category, class_name: "StoreCategory" end