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31.WhichtwostatementsaretrueregardingthedatabaseinARCHIVELOGmode?(Choosetwo.)A)Youhavetoshutdownthedatabasetoperformthebackups.B)Archivinginformationiswrittentothedatafilesandredologfiles.C)Youcanperformcompletedatabasebackupswithoutclosingthedatabase.D)Onlineredologfileshavetobemultiplexedbeforeput 阅读全文
posted @ 2010-07-28 17:54
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