问题

YouexecutedthefollowingcommandinRecoveryManager(RMAN):RMAN>RESTORECONTROLFILE;Whichoperationmustyouperformbeforethiscommandisexecuted?()

YouexecutedthefollowingcommandinRecoveryManager（RMAN）：RMAN>RESTORECONTROLFILE；Whichoperationmustyouperformbeforethiscommandisexecuted？()

A.backupthecontrolfiletotrace

B.bringdatabasetotheMOUNTstate

C.openaconnectiontotheRMANrecoverycatalog，whichcontainstheRMANmetadataforthetargetdatabase

D.setthedatabaseID（DBID），butonlyiftheDB_NAMEparameterassociatedwiththetargetdatabaseisuniqueintherecoverycatalog

参考答案

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YouexecutedthefollowingcommandinRecoveryManager(RMAN):RMAN>RESTORECONTROLFILEWhichoperationmustyouperformbeforethiscommandisexecuted?()

答案解析

YouexecutedthefollowingcommandinRecoveryManager(RMAN):RMAN&gt;RESTORECONTROLFILE;Whichoperationmustyouperformbeforethiscommandisexecuted?()