The request
“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.”
Then tryAdd delivery tracking.Add return shipments.
What is in this drawing
Read the decisions behind it.
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.
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