浙江树人大学信息科技学院《数据库系统实习》实习报告课题:进销存管理系统班级:电商091学号:200905017128姓名:陆浩杰2012.3目录第一章需求分析...................................................................................................................................31.1系统目标........................................................................................................................31.2系统功能划分................................................................................................................31.3功能描述(分模块描述).............................................................................................4第二章概念结构设计...........................................................................................................................62.1分E-R图及文字描述......................................................................................................62.2各实体之间的联系图....................................................................................................82.3全局E-R图,并加以文字描述...................................................................................11第三章逻辑结构设计.........................................................................................................................123.1逻辑结构及描述.........................................................................................................12第四章物理结构设计.........................................................................................................................134.1创建表..........................................................................................................................134.2索引及其作用...............................................................................................................17第五章数据库完整性、安全性设计.................................................................................................18一、数据库完整性...............................................................................................................................185.1约束..............................................................................................................................185.2默认..............................................................................................................................195.3规则..............................................................................................................................215.4存储过程......................................................................................................................225.5触发器..........................................................................................................................22二、数据库安全性设计.......................................................................................................................245.2.1用户登录设计..........................................................................................................245.2.2数据库用户设计......................................................................................................245.2.3各个登录的权限设计..............................................................................................245.2.4各个数据库用户的权限设计......................................