單項(xiàng)選擇題

Oracle數(shù)據(jù)庫(kù)中，（）命令用于建立文本式的備份控制文件

A.ALTER DATABASE BACKUP CONTROLFILE TO TRACE
B.ALTER DATABASE BACKUP CONTROLFILE TO BACKUP
C.ALTER DATABASE BACKUP CONTROLFILE TO ‘filename’
D.ALTER DATABASE BACKUP CONTROLFILE TO TEXT ‘filename’

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