多项选择题
A.restore B.repair C.recover D.replace
A.shutdown B.shutdown abort C.shutdown immediate D.shutdown normal
A.易于磁盘的管理和维护 B.跨物理磁盘的负载均衡 C.双倍或三倍镜像的软raid-1 D.自动修复failed disk
A.DBF B.online redo logfile C.Archived redo log D.database pfile
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