Whatistheendresultofthesecommandsiftheyaresuccessful？（）RMAN>showretentionpolicy；RMANconfigurationparametersfordatabasewithdb_unique_nameORCLare：CONFIGURERETENTIONPOLICYTOREDUNDANCY1；defaultBackupdatabasetag=gold_copyplusarchivelogtag=gold_copydeleteinput；
题目
Whatistheendresultofthesecommandsiftheyaresuccessful？（）RMAN>showretentionpolicy；RMANconfigurationparametersfordatabasewithdb_unique_nameORCLare：CONFIGURERETENTIONPOLICYTOREDUNDANCY1；defaultBackupdatabasetag=gold_copyplusarchivelogtag=gold_copydeleteinput；Backupdatabasetag=silver_copyplusarchivelogtag=silver_copydeleteinput；
A.Attemptingtorestoresilver_copywillfail.
B.Attemptingtorestoregold_copywillfail.
C.Bothbackupswillbeavailableforrestorewithoutquestion.
D.Attemptingtorestoregold_copymayormaynotsucceed.
E.Youwillnotbeabletorestoreeithergold_copyorsilver_copy.
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参考答案和解析
参考答案：D