超市管理系统数据库设计 针对超市的特点，为了帮助超市解决现在面临的问题，提高小型超市的竞争力，我们将开发以下系统：前台POS销售系统、后台管理系统，其中这两个子系统又包含其它一些子功能-Supermarket Management System database design characteristics of supermarket, in order to to help supermarkets solve the problem now facing improve the competitiveness of the small supermarket, we will develop the following system: Front POS sales system, back office management system, in which the two subsystems but also contains some other sub-functions