这个新算法通过检测一对多关系,允许多值依赖关系被分解成关系表。
The new algorithm, by way of detecting a one-to-many relationship, allows multi-valued dependencies to be decomposed into relational tables.
讨论了在模糊函数依赖、模糊多值依赖混合作用下的推导公理系统;
The inferable theorem is discussed under the mixed circumstances under fuzzy functional dependency and fuzzy multivalued dependency.
根据这些定理,给出了基于MVD模式矩阵的多值依赖最小覆盖算法。
Based on these theorems, gives the minimum cover algorithm of the multivalued dependency based on the MVD schema matrix.
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.
XML多值依赖的推理规则集问题是解决XML数据依赖的蕴涵问题的基础,是XML规范化理论的关键问题之一。
The problem of inference rules for multivalued dependency is the key to solve implication problem between dependencies in XML and the key problem of XML normalization theory.
研究相对的XML键和相对的XML多值依赖之间的转换关系,提出解决两种典型XML文档冗余问题的规范化方法。
Relationship between relative XML key and relative XML multivalued dependencies is studed. The solutions to resolve two typical redundant problems in XML documents are given.
研究相对的XML键和相对的XML多值依赖之间的转换关系,提出解决两种典型XML文档冗余问题的规范化方法。
Relationship between relative XML key and relative XML multivalued dependencies is studed. The solutions to resolve two typical redundant problems in XML documents are given.
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