A.第一范式 B.第二范式 C.第三范式 D.第四范式
A.數(shù)據(jù)源層、數(shù)據(jù)倉(cāng)庫(kù)層、數(shù)據(jù)集市層、數(shù)據(jù)分析應(yīng)用層、展示層 B.外部數(shù)據(jù)層、數(shù)據(jù)倉(cāng)庫(kù)層、數(shù)據(jù)集市層、數(shù)據(jù)分析應(yīng)用層、展示層 C.數(shù)據(jù)源層、數(shù)據(jù)轉(zhuǎn)換層、數(shù)據(jù)倉(cāng)庫(kù)層、數(shù)據(jù)分析應(yīng)用層、展示層 D.外部數(shù)據(jù)層、數(shù)據(jù)轉(zhuǎn)換層、數(shù)據(jù)倉(cāng)庫(kù)層、數(shù)據(jù)分析應(yīng)用層、展示層
A.數(shù)據(jù)交換 B.統(tǒng)一視圖區(qū) C.緩沖區(qū) D.數(shù)據(jù)倉(cāng)庫(kù)