datahouse

常见例句

For dimensions in the datahouse are usually organized in hierarchies,the hierarchically clustering based on the hierarchy paths of the dimensions can effectively put the related data physically together and decrease the access on the disks.
数据仓库中的维数据通常都是有层次的,基于维层次路径的聚簇能有效地在物理空间上将关联数据组织到一起,减少查询访问磁盘的次数。
Analyze and Compare Two Basic Data Models about Datahouse
数据仓库中两种数据模型的分析比较