Record/Struct (GraphViz)

digraph struct {
  rankdir=LR;
  node [shape=record];
  User [label="<f0> id |<f1> name |<f2> email"];
  Order [label="<f0> order_id |<f1> user_id |<f2> total |<f3> status"];
  Item [label="<f0> item_id |<f1> order_id |<f2> product |<f3> qty"];
  User:f0 -> Order:f1;
  Order:f0 -> Item:f1;
}