單項選擇題

國家電網(wǎng)公司典型設(shè)計中,數(shù)據(jù)中心邏輯架構(gòu)分為()。

A.數(shù)據(jù)源層、數(shù)據(jù)倉庫層、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)倉庫層、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)倉庫層、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)倉庫層、數(shù)據(jù)分析應(yīng)用層、展示層

微信掃碼免費搜題