在关系数据模型的基础上,对主动模糊数据模型进行了研究,介绍了主动模糊数据库技术,分析了主动模糊数据库的结构。
Active fuzzy data model is studied based on relation data model. Following an introduction to active fuzzy database technology, the structure of active fuzzy database is analyzed.
避开复杂繁琐的数学推导,分析了关系数据库理论中的函数依赖,数据模式的规范化及其分解这三个重要概念,指出了它们对关系数据模型设计的指导作用。
Three important conceptions-function dependence, normalization and dissolution of data scheme-are analysed. Their directive action for design of relational data model is pointed out as well.
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