HomeDiagramsER diagramER: Zero-or-One to One-or-Many

ER: Zero-or-One to One-or-Many

Optional on one side, at-least-one on the other.

er-zero-or-one-to-one-or-many.mmd
erDiagram
  SUPERVISOR |o--|{ EMPLOYEE : manages
Output
ER diagram, Zombie Mermaid SUPERVISOR (no attributes) EMPLOYEE (no attributes) manages

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