在一简化的商业自动 化体系中，库房管理员负责录入、改动或删除每一销售商品的有关信息，还能够根据商品编号查询商品的其它信息（商品名称，库存数量，单价，保质期等），当某种商品超过保质期则给出警告提醒。营业员负责出售商品，包括 录入、改动交付的现金额，商品出售以后对应的库存数量减少。部门经理随时查询每种商品的销售情形（商品号，销售量，销售金额），并在日结时，计算 本部门销售总额。-In a simplified system of business automation, warehouse manager is responsible for entry, alteration or deletion of relevant information for each sale of goods, but also be able to check goods under the product number of other information (product name, stock number, unit price, shelf life, etc.) , when the shelf life of a commodity than a warning is given. Salesperson responsible for selling the goods, including entry, change the amount of cash delivery, after the sale of goods corresponding decrease in the number of inventory. Manager at any time for the sale of each commodity case (commodity, sales, sales amount), and day-end, the calculation of total sales in this sector.