單項(xiàng)選擇題Oracle中啟動(dòng)數(shù)據(jù)庫(kù)時(shí),分配SGA并啟動(dòng)后臺(tái)進(jìn)程,裝配數(shù)據(jù)庫(kù),但不打開數(shù)據(jù)庫(kù)的命令為:()

A.startup
B.startup open
C.startup nomount
D.startup mount


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