Normalization of Club Model...

schema.rb

# clubs 테이블을 이와 같이 중복되는 부분을 sesons 테이블로 빼내고 club_seasons 라는 join 테이블 만들면 어떨까요?

  create_table "clubs", force: :cascade do |t|
    t.string   "name"
    t.text     "description"
    t.string   "type"
    t.string   "image"
    t.datetime "created_at",                        null: false
    t.datetime "updated_at",                        null: false
    t.integer  "report_length_limit", default: 400
    t.integer  "leader_id"
    t.string   "keyword"
    t.string   "facebook_url"
    t.string   "leader"
    t.string   "short_keyword"
    t.text     "leader_description"
  end

  create_table "seasons", force: :cascade do |t|
    t.integer  "name"
    t.string   "alias"    
    t.string   "schedule"
    t.date     "started_at"
    t.date     "ended_at"
    t.integer  "status"
    t.integer  "max_number"
    t.integer  "price"
    t.integer  "place_id"
    t.datetime "created_at",                        null: false
    t.datetime "updated_at",                        null: false    
  end

  create_table "club_seasons", force: :cascade do |t|
    t.integer  "club_id"          # FK : belongs_to :clubs 
    t.integer  "season_id"        # FK : belong_to :seasons    
    t.datetime "created_at",                        null: false
    t.datetime "updated_at",                        null: false    
  end