Management Systems

Sales & Purchase Inventory Data Model

A relational data model in Excel with customers, suppliers, products and countries. Sales and purchase orders are entered through forms, stock levels update automatically and customs duty is applied by country.

Industry
Trading
Deliverable
Inventory Data Model.xlsm
Built with
Excel VBA, UserForms, Data modelling

Before

Sales, purchases and stock were tracked in unconnected sheets.

After

Orders are entered through forms, stock updates automatically and customs duty is applied by country.

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