...uning)、改进查询优化(improving query optimization)、索引选择(index selection)、物化视图选择(materialized view selection)等,影响这些应用可 扩展性的一个重要因素就是工作负荷的大小 [49] .为了解决此问题,出现了关于工作负荷压缩技术的研究.
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数据仓库中物化视图选择算法的代价与搜索空间的尺寸紧密相关。
The materialized view selection algorithms are closely related to the size of the search space.
物化视图是数据仓库中提高查询效率的有力方法,物化视图的选择一直是数据仓库领域的研究热点。
Materialized view is a method for improving the efficiency of queries in data warehouse system, the selection of it is a hot issue in data warehouse area.
物化视图是提高数据仓库的查询响应能力以高效支持决策分析的重要手段,但物化视图集选选择是一个复杂问题。
Selecting a set of views to materialize is an important way to improving query performance for the purpose of efficiently supporting decision making and data analyzing.
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