| GAAA算法在数据库多连接查询优化中的研究应用 |
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| 引用本文： | 王莹,徐鑫.GAAA算法在数据库多连接查询优化中的研究应用[J].云南师范大学学报(自然科学版),2011,31(1):54-58. |
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| 作者姓名： | 王莹 徐鑫 |
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| 作者单位： | 渤海大学信息科学与工程学院,辽宁,锦州,121000 |
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| 摘 要： | 数据库优化中多连接技术是目前研究的热点问题,对于一个复杂的查询,寻找一个优化策略是数据库系统开发成功的关键所在。将GAAA算法应用于数据库的多连接优化中,并进行仿真试验。试验结果表明,用GAAA算法解决数据库多连接优化问题,克服了两种算法各自的缺陷,通过寻找较好的算法连接点,取得了比较满意的效果。
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| 关 键 词： | GAAA算法 数据库 多连接查询优化 |
Application and Research on Multi- join Query Optimization of Database Based on GAAA Algorithm |
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| WANG Ying,XU Xin.Application and Research on Multi- join Query Optimization of Database Based on GAAA Algorithm[J].Journal of Yunnan Normal University (Natural Sciences Edition),2011,31(1):54-58. |
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| Authors: | WANG Ying XU Xin |
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| Institution: | WANG Ying,XU Xin(College of Information Science and Technology,Bohai University,Jinzhou 121000,China) |
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| Abstract: | Nowadays,the multi-join technology is becoming a hot issue in the database optimization.For a complex query,the key factor to database system developed success is to find an optimization strategy.The GAAA algorithm is applied to a database of multi-join query optimization,and to do a simulation experiment.The results show that using the GAAA algorithm to solve the problem of multi-join query optimization,to overcome the algorithms'deficiencies.By finding a better join point for the algorithms,obtained a rel... |
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| Keywords: | GAAA algorithm Database Multi-join query optimization |
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