说明：  数据库超市会员管理系统，内容包括系统需求分析、概念设计、逻辑设计、物理设计、数据库实施阶段以及数据库调试与运行数据库实验报告
(Membership management system of database supermarket, including system requirement analysis, conceptual design, logical design, physical design, database implementation stage and database debugging and operation Experimental Report)