Diagrams - jocile/catalog GitHub Wiki
ER diagram
| Value (left) | Value (right) | Meaning |
|---|---|---|
| |o | o| | Zero or one |
| || | || | Exactly one |
| }o | o{ | Zero or more (no upper limit) |
| }| | |{ | One or more (no upper limit) |
References
:memo: Mermaid diagrams
:chart_with_upwards_trend: Diagrams online editor