单选题After the recovery is complete， which command should you execute？（）AALTER DATABASE OPEN；BALTER DATABASE CLEAR LOGFILE；CALTER DATABASE OPEN RESETLOGS；DALTER DATABASE OPEN NORESETLOGS；
单选题
After the recovery is complete， which command should you execute？（）
A
ALTER DATABASE OPEN；
B
ALTER DATABASE CLEAR LOGFILE；
C
ALTER DATABASE OPEN RESETLOGS；
D
ALTER DATABASE OPEN NORESETLOGS；
参考解析
解析：
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