The product details contain product code, Product name, Opening Stock and Prices. These details are maintained in database. In the purchasing function we must have the details about the store, quantity and also price.
The Sales Details contain Date, Customer name, Product code, Quantity and Prices. The Stock Details contain product id, opening stock, purchase stock, current stock, and sales. The stock details are maintaining the database and view the stock between two dates. This is done by Rational Rose Software CS1403- CASE TOOLS