1 引言 ................................................................................................................................................3
1.1 编写目的..................................................................................................................................3
1.2 背景..........................................................................................................................................3
1.3 定义..........................................................................................................................................3
1.4 参考资料..................................................................................................................................3
2 外部设计 ........................................................................................................................................4
2.1 标识符和状态..........................................................................................................................4
2.2 使用它的程序..........................................................................................................................4
2.3 约定..........................................................................................................................................4
2.4 专门指导..................................................................................................................................5
2.5 支持软件..................................................................................................................................5
3 结构设计 ........................................................................................................................................6
3.1 概念结构设计..........................................................................................................................6
3.2 逻辑结构设计..........................................................................................................................8
3.3 物理结构设计........................................................................................................................11
4 运用设计 ......................................................................................................................................12
4.1 数据字典设计........................................................................................................................12
4.2 安全保密设计........................................................................................................................12
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