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还是之前那个XENIX系统，作为某地公安部门的户籍查询与管理系统，记录的是50多万人口的基本信息。这套系统是1989年开发的，当时并未用标准的数据库理念设计(未设计兼容性)，只允许查询，打印，或生成输出文本，输出文本的结果大致如下：参考附件示例中的结构，对这些文本文件通过VIM(或V...

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更新时间 2023-11-03 13:08:37

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