// An ER / database schema: two |entity| cards wired with the crow's-foot operator.
// Each entity's label is its title (a spanning header); rows are "field" "type".
{
layout: flow; direction: row; gap: 120;
}
|entity#users| "Users" [ "id" "int" "name" "varchar" "email" "varchar" ]
|entity#orders| "Orders" [ "id" "int" "user_id" "int" "total" "decimal" ]
users -< orders "places"
// one-to-many — crow's foot on Orders