usersテーブル

Column	Type	Options
last_name	string	null: false
first_name	string	null: false
last_name_kana	string	null: false
first_name_kana	string	null: false
nickname	string	null: false
birthday	date	null: false
email	string	null: false, unique: true
encrypted_password	string	null: false

association

• has_many :products
• has_many :buys

productsテーブル

Column	Type	Options
product_name	string	null: false
category_id	integer	null: false
condition_id	integer	null: false
description	text	null: false
delivery_time_id	integer	null: false
price	integer	null: false
delivery_charge_id	integer	null: false
ship_form_id	integer	null: false
user	references	null: false, foreign_key: true

association

• belongs_to :user
• has_one :buy

addressesテーブル

Column	Type	Options
prefecture_id	integer	null: false
city	string	null: false
block	string	null: false
building	string
postcode	string	null: false
phone_number	string	null: false
order	references	null: false, foreign_key: true

association

• belongs_to :buy

ordersテーブル

Column	Type	Options
user	references	null: false, foreign_key: true
product	references	null: false, foreign_key: true

association

• belongs_to :user
• belongs_to :product
• has_one :address