| 基于分布式数据库系统的数据分配模型研究 |
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| 引用本文： | 刘正龙,罗玉军.基于分布式数据库系统的数据分配模型研究[J].西华师范大学学报(哲学社会科学版),2009,30(2):184-187. |
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| 作者姓名： | 刘正龙 罗玉军 |
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| 作者单位： | 川北医学院计算机与数学教研室,四川南充637007 |
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| 基金项目： | 川北医学院苗圃基金资助项目(08基-17) |
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| 摘 要： | 提出一种基于分布式数据库的数据分配策略问题，数据分配得好对整个应用系统的改进、数据的可用性、提高分布式数据库（DDB）的效率和可靠性有很大影响．数据片段分配得好，整个系统的性能才会处于一个良好的状态．以通信代价作为衡量标准，通过实例研究数据分配方法的原理及用法，并对各自的优缺点进行了比较与分析的研究．
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| 关 键 词： | 分布式数据库 数据分配模型 数据片段 通信代价 |
Research on Data Allocation Model Based on Distributional Database System |
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| LIU Zheng-long,LUO Yu-jun.Research on Data Allocation Model Based on Distributional Database System[J].Journal of China West Normal University:Natural Science Edition,2009,30(2):184-187. |
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| Authors: | LIU Zheng-long LUO Yu-jun |
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| Institution: | Department of Mathematics and Computer;North-Sichuan Medical College;Nanchong 637007;China |
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| Abstract: | The paper proposed one kind data assignment strategy based on the distributional database.The data assignment on the improvement of the entire application system,the data usability,and the efficiency and the reliability of DDB has tremendous influence.Only the data fragment assigns well,the overall system performance can be at a good condition.Taking communication experse as the standard,through the principles and the usages of different data assignments through examples,this paper examines the strong are w... |
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| Keywords: | distributed database data allocation data fragment communication expense |
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