摘要: 研究了在系统运行过程中统计查询分布的方法,分析了直接统计时可能遇到的困难,为此提出了查询泛化的方法,并给出查询泛化的两种算法,对将实视图选择理论用于数据仓库工程实践有一定的参考价值。
关键词:
数据仓库,
实视图选择,
查询分布,
查询泛化
Abstract: This paper studies the method of query distribution statistics during working time, analyzes the possible difficulties of direct method, then presents a method called query generalization, puts forward two algorithms of query generalization, which can serve as a reference for utilizing the MVS theory to design data warehouse in practice.
中图分类号:
秦智平,袁捷,徐忠健. 实视图选择中的查询分布统计[J]. , 2004, 30(03): 99-.
QIN Zhiping, YUAN Jie, XU Zhongjian. Query Distribution Statistics in Materialized View Selection[J]. , 2004, 30(03): 99-.