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Yourdatabaseisinmanualarchivemode.Youronlineredologgroupsareconfiguredasfollows：

YoudiscoverthatDISK3hasencounteredamediafailurethathasresultedinalossofallthemultiplexedcopiesofonlineredologfiles.

YoudecidetodeletetheREDO01C.LOG，REDO02C.LOG，andREDO3C.LOGfilestopreventtheLGWRbackgroundprocessfromattemptingtoaccessthesefiles.WhenyouquerytheV$LOGdynamicview，youreceivethefollowingoutput：

Whichsequenceofstatementsshouldyouusetodropthemissingonlineredologfilesfromthedatabase？（）

1.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO01C.LOG’；

2.ALTERSYSTEMSWITCHLOGFILE；

3.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO03C.LOG’；

4.ALTERSYSTEMARCHIVELOGGROUP3；

5.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO02C.LOG’；

6.ALTERSYSTEMARCHIVELOGGROUP1；

参考答案

更多 “ Yourdatabaseisinmanualarchivemode.Youronlineredologgroupsareconfiguredasfollows：YoudiscoverthatDISK3hasencounteredamediafailurethathasresultedinalossofallthemultiplexedcopiesofonlineredologfiles.YoudecidetodeletetheREDO01C.LOG，REDO02C.LOG，andREDO3C.LOGfilestopreventtheLGWRbackgroundprocessfromattemptingtoaccessthesefiles.WhenyouquerytheV$LOGdynamicview，youreceivethefollowingoutput：Whichsequenceofstatementsshouldyouusetodropthemissingonlineredologfilesfromthedatabase？（）1.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO01C.LOG’；2.ALTERSYSTEMSWITCHLOGFILE；3.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO03C.LOG’；4.ALTERSYSTEMARCHIVELOGGROUP3；5.ALTERDATABASEDROPLOGFILEMEMBER’E：\REDO02C.LOG’；6.ALTERSYSTEMARCHIVELOGGROUP1； ” 相关考题
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