基于混合超图的一种4NF的判定算法
AN ALGORITHM TO DECIDE THE 4NF BASED ON A MIXED HYPERGRAPH
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摘要: 本文讨论了混合超图中与４ＮＦ判定有关的理论，并在此基础上给出了一个对应的关系模式是否属于４ＮＦ的判定算法。Abstract: In this paper,the theory about 4NF decision in a mixed hypergraph is discussed, and then an algorithm to decide if the relational schema belongs to 4NF is given.
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