多项选择题
Which two commands never trigger an implicit rebalancing within the disk group？（）
A. ALTER DISKGROUP misc MOUNT
B. ALTER DISKGROUP misc DROP DISK misc2
C. ALTER DISKGROUP misc CHECK ALL NOREPAIR
D. ALTER DISKGROUP misc RESIZE ALL SIZE 1023m
E. ALTER DISKGROUP dgroupA ADD DISK ’/devices/A*’
相关考题
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多项选择题
IndentifytwoadvantagesofusingrecoverycataloginsteadofthecontrolfileofthedatabaseinRecoveryManager（RMAN）.（）
A. You can use RMAN stored scripts
B. Recovery is faster if data is stored in catalog in addition to the control file
C. You can store backup information of all registered databases in one place
D. Database backups are automatically deleted when they are older than the specified time period -
单项选择题
The database is currently open and the temp03.dbf tempfile belonging to the default temporarytablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner？（）
A. Allow the database to continue running，drop the TEMP tablespace，and then re-create it with new tempfiles
B. Shut down the database， restore and recover the tempfile from backup，and then open the database with RESETLOGS
C. Allow the database to continue running，take the TEMP tablespace offline，drop the missing tempfile，and then create a new tempfile
D. Allow the database to continue running，add a new tempfile to TEMP tablespace with a new name，and drop the tempfile that has been corrupted -
单项选择题
TheBACKUP_TAPE_IO_SLAVESparameterissettoFALSEforthedatabaseinstance.WhichstatementistruewhileperformingatapebackupinanRMANsession？（）
A. The tape I/O performed is asynchronous
B. The tape buffer is allocated from the System Global Area （SGA）
C. The tape buffer is allocated from the Program Global Area （PGA）
D. Oracle I/O uses an interrupt mechanism to determine when each I/O completes
