Fuzzy null embedded join dependency is defined.
定义了模糊空值嵌入连接依赖。
The axiom of fuzzy null value join dependency is introduced and its availability is proved.
给出模糊空值连接依赖的公理系统，并且进行了有效性证明。
In this paper the nature of the join dependency is analyzed. and its causing conditions and processing method are presented.
剖析了连接依赖的本质，并提出其产生的条件和处理的方法。
This paper introduces embedded multivalued dependency, generalized join dependency, subset dependency under fuzzy null value circumstances and corresponding axiom.
介绍了模糊空值环境下的嵌入多值依赖、广义连接依赖、子集依赖，及其相应的公理系统。
This paper introduces embedded multivalued dependency, generalized join dependency, subset dependency under fuzzy null value circumstances and corresponding axiom.
介绍了模糊空值环境下的嵌入多值依赖、广义连接依赖、子集依赖，及其相应的公理系统。
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