魏碑心思朗文词典

PrefixCube

魏碑心思朗文词典

基本解释

  • 前綴立方

同根派生

     

英汉例句

  • 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