PrefixCube
基本解释
- 前缀立方
英汉例句
- According to the results of extensive experiments,it is more efficient for PrefixCube than Prefix-CuboidTree.
实验证明;这种索引机制比已有的前缀立方索引Prefix-CuboidTree更适合前缀立方的结构. - HierPrefixCube retains advantages on computation and organization of PrefixCube, and it can directly support aggregate queries on levels of the dimension hierarchy.
它不仅保留了前缀立方在计算和组织结构上的优点，又能直接和充分支持维层次级的聚集查询。 - The rollup and the drilldown are quite frequent based on dimension hierarchies in on line analytical pro cessing (OLAP), but prefixCube does not directly support dimension hierarchies.
摘要在联机分析处理系统中，基于维层次的上卷、下钻操作十分常见，但前缀立方却不直接支持维层次。 - A New Index Mechanism for PrefixCube
一种新的前缀立方索引机制