# Entity Relationship Diagram (Mermaid) ![Entity Relationship Diagram](https://help.gocapable.com/images/att1226801333.svg) ``` erDiagram CUSTOMER }|..|{ DELIVERY-ADDRESS : has CUSTOMER ||--o{ ORDER : places CUSTOMER ||--o{ INVOICE : "liable for" DELIVERY-ADDRESS ||--o{ ORDER : receives INVOICE ||--|{ ORDER : covers ORDER ||--|{ ORDER-ITEM : includes PRODUCT-CATEGORY ||--|{ PRODUCT : contains PRODUCT ||--o{ ORDER-ITEM : "ordered in" ```