數(shù)據(jù)集市數(shù)據(jù)Structure數(shù)據(jù)集市Middle數(shù)據(jù)的結(jié)構(gòu)通常被描述為星型結(jié)構(gòu)或雪花型結(jié)構(gòu)。數(shù)據(jù)倉(cāng)庫(kù)覆蓋范圍可分為企業(yè)級(jí)數(shù)據(jù)倉(cāng)庫(kù)和部門級(jí)數(shù)據(jù)倉(cāng)庫(kù)(俗稱-)事實(shí)表描述數(shù)據(jù)集市是最密集的數(shù)據(jù)，元數(shù)據(jù)元數(shù)據(jù)描述了數(shù)據(jù)in倉(cāng)數(shù)據(jù)的結(jié)構(gòu)和建立方法，數(shù)據(jù)三層倉(cāng)庫(kù)結(jié)構(gòu)的組件為數(shù)據(jù)三層倉(cāng)庫(kù)數(shù)據(jù)結(jié)構(gòu)的組件為:企業(yè)數(shù)據(jù)模型層；數(shù)據(jù)層(操作類型數(shù)據(jù)，和諧數(shù)據(jù)，導(dǎo)出數(shù)據(jù))；元數(shù)據(jù)層(操作類型數(shù)據(jù)，和諧數(shù)據(jù)層元素?cái)?shù)據(jù)，數(shù)據(jù)。1、教你輕松掌握數(shù)據(jù)倉(cāng)庫(kù)的規(guī)劃和構(gòu)建策略教你輕松掌握數(shù)據(jù)倉(cāng)庫(kù)規(guī)劃和構(gòu)建Strategy數(shù)據(jù)倉(cāng)庫(kù)作為決策支持...