多项选择题
Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？（）
A. open the database with the RESTRICTED option
B. open the database with the RESETLOGS option
C. recover to the required SCN only that data file in which the error occurred
D. recover all the data files to the same system change number （SCN）
相关考题
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单项选择题
In your Automatic Storage Management （ASM） instance， one of the nonempty disk groups， DGROUP1， is no longer required and you want this disk group to be removed. You execute the following command to achieve this objective： DROP DISKGROUP dgroup1 EXCLUDING CONTENTS； What would be the result of this command？（）
A. This command would result in an error because the disk group is not empty.
B. The command would distribute the contents of the specified disk group among all other disk groups and then drop the specified disk group.
C. The command would result in the contents being moved to the parent disk group and dropping of the disk group.
D. The command would result in the disk group being marked as INVALID because it cannot be dropped.
E. The command would drop the disk group， ignoring the EXCLUDING CONTENTS option. -
单项选择题
YounoticedthatlargememoryallocationsfortheOraclebackupandrestoreoperationsarecausingaperformanceoverheadonthesharedpool.Whichmemorystructurewouldyouconfiguretoavoidthisperformanceoverhead？（）
A. recycle buffer cache
B. large pool
C. streams pool
D. keep buffer cache
E. redo log buffer -
单项选择题
FromtheV$SESSION_LONGOPSview，youfindthatsomeofthedatabaseusershavelong-runningqueriesthatconsumealotofCPUtime.Thiscausesperformanceproblemsforotherusersinthedatabase，whohavemuchshorterqueries.YouwouldliketomakesurethattheuserswithlargequeriesdonotusealltheCPUtime，butyoustilldonotwanttoterminatethemwithanerrormessage.Whichmethodwouldyoufollowtoachievethis？（）
A. set the CPU time per call in the users profile
B. set the CPU time per session in the users profiles
C. set the TIMED_STATISTICS parameter to TRUE in the parameter file
D. set the CPU levels for the users’ group using Resource Manager
