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《Journal of Northeast China Institute of Electric Power Engineering(Natural Science Edition)》 2003-04
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The Inquiry Optimization in The Distributed Data Base System

JING Zheng-shu,ZI Hua Liang,LU Dong-fang (Department of Infonmation Engineering,Northeast China Institute of Electric Power Engineering,Jilin City 132012)  
For the distributed data base system,many new contents and complexities of inquiry treatment will be increased because of distribution and superfluity of data. The great distinction of expenses of inquiry and the parallel running processing level will be occurred to the different inquiry methods. Therefore, the inquiry optimization of distributed data base system is more important than the centralized data base system and the result is more remarkable. According to the characteristic of the distributed data base system, the optimum objects, tactics and methods of distributed inquiry system are introduced briefly.
【CateGory Index】: TP311.131
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