办公室日常管理信息系统new

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1、目录引言...................................................2CHAP1需求分析.........................................31.1需求分析............................................................................................................................31.1.1数据需求..........

2、.....................................................................................................31.1.2功能描述...............................................................................................................31.2数据字典............................

3、................................................................................................41.3数据流图............................................................................................................................6CHAP2概念模型设计..................

4、...................82.1E-R模型............................................................................................................................82.1.1数据库的局部E-R图..........................................................................................

5、.82.1.2数据库完整E-R图.............................................................................................11CHAP3逻辑模型设计....................................123.1E-R图向关系模型的转换...................................................................................

6、...........123.2数据模型的规范化.........................................................................................................13CHAP4数据库的实施....................................155.1创建数据库......................................................................

7、...............................................165.1.1创建表.................................................................................................................165.1.2创建索引.............................................................................

8、................................185.1.3创建触发器.........................................................................................................195.1.4授权....................................