Small Supermarket Purchase-Sell-Stock Management System Design Based on Multi-Level Pattern Structure

We design a small supermarket purchase-sell-stock management system. The system uses Microsoft Visual Basic 6.0 and Microsoft Access 2003 as development tools, uses the object-oriented program design method, data model is housed in a class, which improves the data safety in operation; in addition, the system uses the multilayer structure design patterns, which has powerful advantage in module independence and code reuse. The system can satisfy daily job requirement for a small supermarket.