需求
“Create a warehouse order fulfillment ERD with CUSTOMER, INVENTORY, ORDER, ORDERITEM, PRODUCT, SHIPMENT, and WAREHOUSE entities, their shown fields, and the shown customer, order, product, inventory, warehouse, and shipment relationships.”
接著試試Add delivery tracking.Add return shipments.
這張圖裡有什麼
看懂背後的決策。
01
Composite primary key for ORDERITEM linking orders and products
02
Separate INVENTORY entity to track stock per warehouse
03
One-to-many relationship between ORDER and SHIPMENT allowing multiple shipments per order
When modeling logistics, inventory at multiple locations, and order fulfillment flows.