| 基于遗传算法的分布式异构数据库的查询优化 |
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| 引用本文： | 芦金石,李红星,李晓.基于遗传算法的分布式异构数据库的查询优化[J].计算机应用与软件,2003,20(11):41-42,60. |
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| 作者姓名： | 芦金石 李红星 李晓 |
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| 作者单位： | 1. 大连轻工业学院信息工程系,大连,116034
2. 中科院新疆理化所,乌鲁木齐,830011 |
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| 摘 要： | 对于分布武异构数据库，查询优化问题是其核心问题。本文用基于位、值结构树型编码的遗传算法对分布武异构数据库进行查询优化，取得了很好的效果。
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| 关 键 词： | 分布式异构数据库 查询优化 遗传算法 数据元字典 |
METHODS OF QUERY OPTIMIZATION OF DISTRIBUTED HETEROGENEOUS DATABASE BASED ON GENETIC ALGORITHM |
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| Lu Jinshi Li Hongxing La Xiao.METHODS OF QUERY OPTIMIZATION OF DISTRIBUTED HETEROGENEOUS DATABASE BASED ON GENETIC ALGORITHM[J].Computer Applications and Software,2003,20(11):41-42,60. |
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| Authors: | Lu Jinshi Li Hongxing La Xiao |
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| Abstract: | Query optimization is very important to distributed heterogeneous database. In this paper,a genetic algorithm based on porition & value tree sturcture encoding is used at problem of query optimization.Its effect is very good. |
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| Keywords: | Distributed heterogeneous database Query Genetic algorithm Query optimization |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
