Table follows {
following_user_id integer [not null]
followed_user_id integer [not null]
created_at timestamp
}
Table users {
id integer [primary key]
username varchar
role varchar
created_at timestamp
}
Table posts {
id integer [primary key]
title varchar
body text [note: 'Content of the post']
user_id integer [not null]
status varchar
created_at timestamp
}
Ref user_posts: posts.user_id > users.id
Ref: users.id < follows.following_user_id
Ref: users.id < follows.followed_user_id