单项选择题
Examine the following scenario： The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host， using the Recovery Manager （RMAN） duplicate command as follows：
RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK；
DUPLICATE TARGET DATABASE TO auxdb； }
Which statement is true about the duplicate database in this scenario？（）
A. It contains data till the last backup
B. It contains all data from target database until the current time
C. It contains all data from only the committed transactions in the target database
D. It contains all data except that which is used by the transactions in the current online redo file of target database
相关考题
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多项选择题
ThedatabaseisconfiguredinARCHIVELOGmodeandregularcompletedatabasebackupsaretaken.ThelossofwhichtwotypesoffilesmayrequirearecoverywiththeRESETLOGSoption？（）
A. Control files
B. Password files
C. Inactive online redo log file
D. Archived log files required to perform recovery
E. Newly created tablespace which is not backed up -
单项选择题
Your database interface is running. A user SCOTT starts a SQL *Plus session， and issues the following query： SQL> SELECT * FROM sales； Which process would retrieve the result from the database and return it to the client program？（）
A. User process
B. Server process
C. System Monitor （SMON）
D. Process Monitor （PMON）
E. Checkpoint process （CKPT） -
多项选择题
YouwanttoperformanRMANbackupofdatabaseasacopy.Whichtwofactorswillyouconsiderwhileperformingthebackupoperation？（）
A. The backup as copy can only be taken to disk
B. The backup as copy can only be taken to tape
C. Backup can be performed only when the instance is shutdown
D. Backup will constitute all used and unused blocks in the database
