This ER diagram represents a Warehouse Management System, illustrating entities, their attributes, and relationships. Key entities include Product, Supplier, Rack, Zone, Warehouse, Inventory, Shipment, Order, and Return. Each entity contains primary attributes, with identifiers highlighted. Relationships such as “supplies,” “stores,” “contains,” “includes,” and “ordered in” connect entities logically, showing product flow from suppliers to inventory, through storage in racks and zones, to shipments and orders.
Returns are linked back to orders, ensuring traceability. This Entity Relationship diagram emphasizes hierarchical storage organization, order fulfillment, and product tracking, integrating supplier management, inventory control, and warehouse capacity planning for streamlined operational efficiency