| SDD-1算法的研究与改进 |
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| 引用本文： | 李川.SDD-1算法的研究与改进[J].西安航空技术高等专科学校学报,2012(5):68-70. |
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| 作者姓名： | 李川 |
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| 作者单位： | 1. 西安电子科技大学研究生院,陕西西安710071
2. 西安航空学院计算机工程系,陕西西安710077 |
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| 摘 要： | SDD-1算法是分布式数据库查询优化的一种算法,研究SDD-1算法的过程,分析SDD-1算法的优缺点,并针对该算法的不考虑最后一点传输代价的缺点提出了改进的SDD-1算法。
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| 关 键 词： | 分布式数据库 查询优化 SDD-1 |
Research on & Improvement of SDD-1 Algorithm |
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| LI Chuan.Research on & Improvement of SDD-1 Algorithm[J].Journal of Xi'an Aerotechnical College,2012(5):68-70. |
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| Authors: | LI Chuan |
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| Institution: | LI Chuan1,2(1.Graduate School,Xidian University,Xi’an 710071,China; 2.Department of Computer Engineering,Xi’an Aeronautical University,Xi’an 710077,China) |
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| Abstract: | SDD-1 algorithm is the distributed database query optimization algorithm.This article studies the process of SDD-1 algorithm,analyzes the advantages and disadvantages of SDD-1 algorithm,and suggests the improved SDD-1 algorithm against the flaw that the algorithm does not consider the transmission cost of the last point. |
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| Keywords: | distributed database inquiry optimization SDD-1 |
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