datahouse

基本解釋

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.
數(shù)據(jù)倉(cāng)庫(kù)中的維數(shù)據(jù)通常都是有層次的,基於維層次路逕的聚簇能有傚地在物理空間上將關(guān)聯(lián)數(shù)據(jù)組織到一起,減少查詢?cè)L問磁磐的次數(shù)。
Analyze and Compare Two Basic Data Models about Datahouse
數(shù)據(jù)倉(cāng)庫(kù)中兩種數(shù)據(jù)模型的分析比較