【单项选择题】
You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files： <br /> $ rman target / <br /> What would be the effect of this command？（）<p> You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files： <br /> $ rman target / <br /> What would be the effect of this command？（）</p>
A、A.RMAN would use the current operating system location to place the backup.
B、B.RMAN would use the control file of the target database to maintain the backup.
C、C.RMAN would use the recovery catalog of the target database to maintain the backup.
D、D.RMAN would use the control file of the target database to maintain the backup metadata.
E、E.RMAN would use the recovery catalog of the target database to maintain the backup metadata.
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