单项选择题

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；

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热门试题

单项选择题

Whileconnectedtothedatabase，auseronaPCreceivesafatalerrorandthemachinereboots.Whichbackgroundprocesscleansupthefailedconnection？（）

A.ARCn
B.CKPT
C.DBWn
D.LGWR
E.PMON
F.SMON

多项选择题

YounoticethatyourRMANscriptusedtocopythedatafiles，controlfiles，andarchivedredologfilesisperformingveryslowly.WhichtwochangesmightyouwanttoincludeinyourRMANscripttospeeduptheCOPYcommands？（）

A.NOCHECKSUM
B.MAXCORRUPT
C.CHECK LOGICAL
D.BACKUP INCREMENTAL
E.CONFIGURE DEVICE TYPE ... PARALLELISM

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