Table users {
  id integer [pk, increment]
  username varchar [not null, unique]
  email varchar [not null]
  created_at timestamp [default: `now()`]
}

Table posts {
  id integer [pk, increment]
  title varchar [not null]
  body text
  user_id integer [ref: > users.id]
  created_at timestamp [default: `now()`]
}