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关系数据库的范式设计可有效地解决数据的操作异常现象，本文以干部评估系统的实例说明规范化在数据库设计实施中的必要性、可行性及指导意义。
The paradigm design of relational database can effectively solve the abnormal operation of data. This paper illustrates the necessity, feasibility and guiding significance of normalization in database design and implementation with the example of cadre evaluation system.