单项选择题
A. ALTER DISKGROUP dg1 UNDROP disk2,disk3,disk5
B. ALTER DISKGROUP dg1 UNDROP
C. ALTER DISKGROUP dg1 UNDROP DISKS
D. You cannot cancel the pending disk drops
多项选择题 WhichstatementsabouttheMEMORY_TARGETinitializationparameteraretrue?()
单项选择题 You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?()
单项选择题 You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?()