需求
“Create an inventory management ERD with Category, Product, Warehouse, Inventory, Supplier, PurchaseOrder, and PO_Line tables, the shown keys and attributes, products in categories, inventory by warehouse and product, and purchase orders with suppliers and line items.”
接著試試Add stock transfers.Add inventory adjustments.
這張圖裡有什麼
看懂背後的決策。
01
Using composite primary key for Inventory (warehouse_id, product_id) to ensure one record per product per warehouse.
02
Separating Product and Category to allow categorization.
When designing a system for retail, wholesale, or manufacturing inventory tracking with multiple locations.