Postgresql Database Schema - arleenpandher/Bamazon Wiki

users

column name	data type	details
id	integer	not null, primary key
username	string	not null, indexed, unique
email	string	not null, indexed, unique
password_digest	string	not null
session_token	string	not null, indexed, unique
created_at	datetime	not null
updated_at	datetime	not null

• index on username, unique: true
• index on email, unique: true
• index on session_token, unique: true
• has many products
• has many reviews

reviews

column name	data type	details
id	integer	not null, primary key
user_id	integer	not null, indexed
product_id	integer	not null, indexed
title	string	not null
body	string	not null
rating	integer	not null
created_at	datetime	not null
updated_at	datetime	not null

• index on user_id
• index on product_id

transactions

column name	data type	details
id	integer	not null, primary key
user_id	integer	not null, indexed
product_id	integer	not null, indexed
created_at	datetime	not null
updated_at	datetime	not null

• index on user_id
• index on product_id

carts

column name	data type	details
id	integer	not null, primary key
user_id	integer	not null, indexed
product_id	integer	not null, indexed
purchased	boolean	not null
created_at	datetime	not null
updated_at	datetime	not null

products

column name	data type	details
id	integer	not null, primary key
title	string	not null
description	string	not null
service_id	integer	not null
image	url	not null
created_at	datetime	not null
updated_at	datetime	not null

service

column name	data type	details
id	integer	not null, primary key
title	string	not null
image	url	not null
created_at	datetime	not null
updated_at	datetime	not null