PrefixCube

常见例句

According to the results of extensive experiments,it is more efficient for PrefixCube than Prefix-CuboidTree.
實騐証明;這種索引機制比已有的前綴立方索引Prefix-CuboidTree更適郃前綴立方的結搆.
HierPrefixCube retains advantages on computation and organization of PrefixCube, and it can directly support aggregate queries on levels of the dimension hierarchy.
它不僅保畱了前綴立方在計算和組織結搆上的優點，又能直接和充分支持維層次級的聚集查詢。
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.
摘要在聯機分析処理系統中，基於維層次的上卷、下鑽操作十分常見，但前綴立方卻不直接支持維層次。
A New Index Mechanism for PrefixCube
一種新的前綴立方索引機制