單項選擇題

Oracle中啟動數(shù)據(jù)庫時,分配SGA并啟動后臺進程,裝配數(shù)據(jù)庫,但不打開數(shù)據(jù)庫的命令為:()

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

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