HomeDiagramsER diagramER: Exactly One to Zero-or-Many

ER: Exactly One to Zero-or-Many

Classic one-to-many optional relationship (crow's foot).

er-exactly-one-to-zero-or-many.mmd
erDiagram
  CUSTOMER ||--o{ ORDER : places
Output
ER diagram, Zombie Mermaid CUSTOMER (no attributes) ORDER (no attributes) places

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