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Optimization for Multi-join Queries of Relation Database Based on Hybrid Genetic Algorithm
Author(s): 
Pages: 12-16
Year: Issue:  5
Journal: COMPUTER & DIGITAL ENGINEERING

Keyword:  多连接查询混合遗传算法优化数据库;
Abstract: 本文分析了关系型数据库的查询优化问题,针对多连接查询提出将遗传算法和爬山法结合,从而构造了关系型数据库多连接查询优化问题的混合遗传算法,并进行了实验计算.结果表明,用混合遗传算法解决多连接查询优化问题,可以发挥遗传算法和爬山法的不同优势,从而得到较满意的查询优化性能.
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