Decompositions for Relational Schema Under Null Value Circumstances Into BCNF With Lossless Joins
空值环境下关系模式到(N)BCNF无损连接分解
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Research on the Problems of Candidate Keys of the Relation Scheme in BCNF
属于BCNF的关系模式候选关键字问题研究
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Applications of Closure Algorithm for Relation Decomposition Based on BCNF
闭包算法在基于BCNF的关系分解中的应用
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