2012级信息化数据库期末教考分离——人事管理系统设计成员：12999182鲍祯群计算机科学与技术9班12999180叶春艳计算机科学与技术8班12999088张发雪计算机科学与技术6班12999111张满红计算机科学与技术9班12999174任蓉蓉计算机科学与技术9班目录项目说明及团队分工.......................................................................................................................1一、产品概要..................................................................................................................................21.目的及意义............................................................................................................................22.内容和要求............................................................................................................................33.产品目标...............................................................................................................................64.开发和运行环境....................................................................................................................6二、需求分析..................................................................................................................................71.市场背景...............................................................................................................................72.功能分析...............................................................................................................................93.工作流图..............................................................................................................................104.数据流图..............................................................................................................................125.数据字典..............................................................................................................................12三、概念结构设计.........................................................................................................................161.概念结构设计的方法与步骤..............................................................................................161.1概念结构设计的方法...............................................................................................161.2概念结构设计的步骤...............................................................................................162.概念设计..............................................................................................................................163.E-R图..................................................................................................................................173.1实体属性E-R图（主键背景是蓝色）...................................................................173.2局部E-R图...............................................................................................................223.3人事管理系统E-R图..............................................................................................24四、逻辑结构的设计...................................................................................................................261.E-R图向关系模型的转换：...............................................................................................262.数据模型的优化：........................................................
