摘要：
31.WhichtwostatementsaretrueregardingthedatabaseinARCHIVELOGmode?(Choosetwo.)A)Youhavetoshutdownthedatabasetoperformthebackups.B)Archivinginformationiswrittentothedatafilesandredologfiles.C)Youcanperformcompletedatabasebackupswithoutclosingthedatabase.D)Onlineredologfileshavetobemultiplexedbeforeput 阅读全文
