Write down three complete business rules describing relationships from the below

Question

entity relationship diagram. Each rule should fully describe the multiplicities of the
relationship.

Answer 1

1. Each customer can place multiple orders, but each order must be placed by exactly one customer. (1-M relationship between Customer and Order)

2. Each order can contain multiple products, and each product can be included in multiple orders. (M-M relationship between Order and Product)

3. Each product category can have multiple products, but each product belongs to exactly one product category. (1-M relationship between Product Category and Product)