******************************************************************遵义师范学院课程设计报告题目：花店管理系统学院计算机与信息科学学院专业计算机科学与技术年级姓名学号指导教师完成日期2013-6-202012至2013学年第二学期厚德树人笃学致用目录1概述........................................................................................................................32系统需求分析.........................................................................................................32.1需求分析任务..................................................................................................32.2设计要求..........................................................................................................32.3数据流图..........................................................................................................42.3.1花供应、存储数据流图.......................................................................42.3.2销售订购数据流图...............................................................................42.3.3数据字典...............................................................................................53概念结构设计.........................................................................................................53.1概念结构设计的方法......................................................................................53.2整体功能描述.................................................................................................63.2.1系统实现的主要功能...........................................................................63.2.2系统功能模块图...................................................................................63.3.3系统实现的主体操作模块...................................................................63.3.4系统主体操作模块图...........................................................................73.3零售子系统E-R图.........................................................................................73.4订购子系统E-R图.........................................................................................83.5供应子系统E-R图.........................................................................................93.6整体E-R图......................................................................................................94.逻辑结构设计......................................................................................................104.1关系数据模式................................................................................................104.2优化................................................................................................................114.2.1确定数据依赖.....................................................................................114.2.2消除冗余.............................................................................................124.2.3分解成第三范式：.............................................................................124.3数据库的结构...............................................................................................124.4数据库表的设计............................................................................................135.数据库物理设计与实施......................................................................................155.1数据库应用的硬件、软件...
