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《JOURNAL OF YANSHAN UNIVERSITY》 2000-01
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The Based Normal of The Historical Relational Scheme

Jia Chao (The College of Information Science and Engineering, Yanshan University, Qinhuangdao 066004).  
The paper mainly discusses the problem of the TNF his- torical relational schemes, and then, gives out the concept of 2TNF and the algorithm on the decomposition of schemes got to 2TNF. This solves the problem of TNF historical relational schemes such as data redundancy, updated alnormal and so on.
【CateGory Index】: TP311
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【References】
Chinese Journal Full-text Database 1 Hits
1 Jia Chao(The College of Information Science and Engineering,Yanshan University,Qinhuangdao066004);The Normal Based on Attribute Aggregation for the Historical Rela tional Mode[J];Computer Engineering and Applications;2002-16
【Co-references】
Chinese Journal Full-text Database 2 Hits
1 Jia Chao(The College of Information Science and Engineering,Yanshan University,Qinhuangdao 066004);Study on the Formal Definition of the Historical Relational Scheme[J];JOURNAL OF YANSHAN UNIVERSITY;1999-04
2 Jia Chao (The College of Information Science and Engineering,Yanshai University,Qinhuangdao 066004);The Algorithm Finding the Largest Complete Time Dependence Set[J];Journal of Yanshan University;2001-01
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