目录 HEFEI UNIVERSITY ....................................................................................... 错误!未定义书签。 第 1 章. 系统分析 ............................................................................................................................ 2 1.1 系统分析与总体设计 ................................................................................................................. 2 1.2 数据库设计与实现 ..................................................................................................................... 2 1.3 系统总体设计 ............................................................................................................................ 2 第 2 章 课题的可行性分析 ............................................................................................................. 3 2.1 可行性分析 ................................................................................................................................. 3 2.2 数据字典 ..................................................................................................................................... 4 第 3 章 数据库逻辑设计 ................................................................................................................. 5 3.1 系统逻辑设计 ............................................................................................................................. 5 3.2 主图............................................................................................................................................ 5 3.3 部分 E-R 实体图 ....................................................................................................................... 6 3.3.1 学生 E-R 实体图 .................................................................................................................... 6 3.3.2 课程 E-R 实体图 ...............................................................