Schema

users

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

• index on username, unique: true
• index on email, unique: true
• index on session_token, unique: true

projects

column name	data type	details
id	integer	not null, primary key
title	string	not null, indexed
description	text	not null
project_owner_id	integer	not null, indexed, foreign key
start_date	t.date	not null
end_date	t.date	not null

• project_owner_id references users
• index on project_owner_id

tasks

column name	data type	details
id	integer	not null, primary key
title	string	not null, indexed
description	text	not null
author_id	integer	not null, indexed, foreign key
project_id	integer	not null, indexed, foreign key
assignee_id	integer	not null, indexed, foreign key
completed	boolean	not null
start_date	t.date	not null
end_date	t.date	not null

• author_id, assignee_id reference users
• project_id references projects
• index on project_id, author_id

teams

column name	data type	details
id	integer	not null, primary key
name	string	not null
description	string