usersテーブル

Column	Type	Options
name	string	null: false
mail_address	string	null: false, unique:true
password	string	null: false

Association

• has_one :credit_card
• has_one :address
• has_one :confirmation
• has_many :items

credit_cardsテーブル

Column	Type	Options
credit_number	integer	null: false
year	integer	null: false
month	integer	null: false
cvc_number	integer	null: false
name	string	null: false
user_id	integer	null: false, foreign_key: true

Association

• belongs_to :user

confirmationsテーブル

Column	Type	Options
@user.build_confirmation

Association

• belongs_to :user

addressesテーブル

Column	Type	Options
postal_code	integer	null: false
prefecture	string	null: false
city	string	null: false
house_number	string	null: false
building_name	string	null: false
room_number	int
phone_number	string
user_id	integer	null: false, foreign_key: true

Association

• belongs_to :user

itemsテーブル

Column	Type	Options
item_name	string	null: false
item_description	string	null: false
brand_description	string
item_condition	string	null: false
delivery_fee	string	null: false
region	string	null: false
delivery_span	string	null: false
item_price	integer	null: false
user_id	integer	null: false, foreign_key: true

Association

• belongs_to :user
• has_many :images
• has_many :categories

imagesテーブル

Column	Type	Options
image	string	null: false
item_id	references	foreign_key: true

Association

• belongs_to :item

categoriesテーブル

Column	Type	Options
ancestry	string	null: false
name	string	null: false
item_id	integer	null: false, foreign_key: true

Association

• belongs_to :item