1目 录1.课题名称及目标........................................................................................................................12.需求分析....................................................................................................................................12.1 数据需求..........................................................................................................................12.2 事务需求..........................................................................................................................22.3 数据流..............................................................................................................................32.4 数据字典..........................................................................................................................53.数据库结构设计........................................................................................................................83.1 概念设计..........................................................................................................................83.1.1 分 E-R 图的建立....................................................................................................83.1.2 整体 E-R 图..........................................................................................................93.2 逻辑设计........................................................................................................................103.2.1 E-R 图向关系模型的转换..................................................................................103.2.2 优化处理..............................................................................................................113.2.3 用户子模式建立..................................................................................................124.数据库物理设计......................................................................................................................124.1 ...
