Database Schema

Base Schema

users

Column Name	Data Type	Detail
username	string	not null, indexed, unique
password_digest	string	not null
session_token	string	not null
profile_picture_id	integer	foreign key (belongs_to relationship to pictures table)
created_at	datetime	not null
updated_at	datetime	not null

pictures

Column Name	Data Type	Detail
title	string	not null
description	text	not null
image_url	string	not null
author_id	integer	not null, foreign key (belongs_to relationship to users table)
created_at	datetime	not null
updated_at	datetime	not null

comments

Column Name	Data Type	Detail
picture_id	integer	not null, foreign key (belongs_to relationship to pictures table)
author_id	integer	not null, foreign key (belongs_to relationship to users table
body	text	not null
created_at	datetime	not null
updated_at	datetime	not null

BONUS Schema

likes

Column Name	Data Type	Detail
picture_id	integer	not null, foreign key (belongs_to relationship to pictures table)
liker_id	integer	not null, foreign key (belongs_to relationship to users table)
created_at	datetime	not null
updated_at	datetime	not null

follows

Column Name	Data Type	Detail
follower_id	integer	not null, foreign key (belongs_to relationship to users table)
followee_id	integer	not null, foreign key (belongs_to relationship to users table)
created_at	datetime	not null
updated_at	datetime	not null