| 一种改进的分布式数据库查询优化算法 |
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| 引用本文： | 陈钟,叶雪梅,青宪,刘红. 一种改进的分布式数据库查询优化算法[J]. 计算机应用, 2008, 28(Z2) |
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| 作者姓名： | 陈钟 叶雪梅 青宪 刘红 |
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| 作者单位： | 第二炮兵工程学院四系,西安,710025 |
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| 摘 要： | 分析和研究了传统的分布式数据库连接查询优化算法,利用数据划分和并行处理执行策略,提出了多连接属性划分的查询优化算法.实验证明,此算法可以提高查询的响应速度,减少查询的响应时间,在处理分布式数据 '库中海量信息查询和复杂查询方面具有实用价值.
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| 关 键 词： | 分布式数据库 连接操作 查询优化算法 |
Advanced optimization algorithm for distributed database queries |
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| CHEN Zhong,YE Xue-mei,QING Xian,LIU Hong. Advanced optimization algorithm for distributed database queries[J]. Journal of Computer Applications, 2008, 28(Z2) |
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| Authors: | CHEN Zhong YE Xue-mei QING Xian LIU Hong |
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| Affiliation: | CHEN Zhong,YE Xue-mei,QING Xian,LIU Hong(Department Four,Second Artillery Engineering College,Xi'an Shaanxi 710025,China) |
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| Abstract: | Traditional optimization algorithm for distributed database joint query is analysed and studied.Multi-joint property division query optimization algorithm is presented by application of data division and implemental strategy.Experimental results show that response speed for query is improved and response time for query is reduced by the application of the algorithm.It is valuable for disposal of large quantity information query in distributed database and complex query. |
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| Keywords: | distributed database joint operation optimization algorithm for query |
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