| 超市数据仓库中物化视图的选择与调整策略 |
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| 引用本文： | 姜合,杨春花,耿玉水.超市数据仓库中物化视图的选择与调整策略[J].计算机应用与软件,2007,24(3):91-93. |
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| 作者姓名： | 姜合 杨春花 耿玉水 |
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| 作者单位： | 山东轻工业学院计算机科学与技术系,山东,济南,250100;山东轻工业学院计算机科学与技术系,山东,济南,250100;山东轻工业学院计算机科学与技术系,山东,济南,250100 |
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| 摘 要： | 物化视图选择是数据仓库研究领域的一个重要课题,其选择策略直接影响到数据仓库的查询效率.通过对超市数据仓库的设计及已有研究成果的分析,对物化视图的选择算法做了一些改进,并给出了一种据查询情况的变化动态调整物化视图集的算法.
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| 关 键 词： | 数据仓库 物化视图 选择算法 调整算法 |
| 修稿时间： | 2004-12-12 |
APPROACH TO SELECT MATERIALIZED VIEWS IN SUPERMARKET DATA WAREHOUSE |
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| Jiang He,Yang Chunhua,Geng Yushui.APPROACH TO SELECT MATERIALIZED VIEWS IN SUPERMARKET DATA WAREHOUSE[J].Computer Applications and Software,2007,24(3):91-93. |
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| Authors: | Jiang He Yang Chunhua Geng Yushui |
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| Affiliation: | Department of Computer Science and Technology, Shandong Institute of Light Industry, Jinan Shandong 250100, China |
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| Abstract: | To select materialized views is an important aspect of data warehouse domain, it affects the queries efficiency in data warehouse directly. After the design of supermarket data warehouse and the study of existing method, some improvement have been made for materialized views selection, and a dynamic adjustment algorithm has been raised according to change of the query. |
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| Keywords: | Data warehouse Materialized view Selection algorithm Adjustment algorithm |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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