Schema

Postgres Database Schema

users

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

• index on email, unique: true
• index on session_token, unique: true
• has many notes through notebooks

notebooks

column name	data type	details
id	integer	not null, primary key
name	string	not null, unique, indexed
author_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• author_id references users
• index on [:name, :author_id], unique: true

notes

column name	data type	details
id	integer	not null, primary key
title	string
body	text	not null
notebook_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• notebook_id references notebooks
• index on notebook_id
• has many tags through note_tags

tags

column name	data type	details
id	integer	not null, primary key
name	string	not null, unique, indexed
author_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• author_id references users
• index on [:name, :author_id], unique: true
• has many notes through note_tags

note_tags

column name	data type	details
id	integer	not null, primary key
note_id	integer	not null, indexed, foreign key
tag_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• note_id references notes
• tag_id references tags
• index on [:note_id, :tag_id], unique: true