单项选择题

You are using Recovery wizard for performing incomplete recovery. Which of the following object types is NOT available in the Perform Recovery ：Type screen？（）

A. Whole database
B. Tablespaces
C. Datafiles
D. Archive logs
E. Redo logs

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单项选择题

In which scenario is a Database Administrator NOT required to perform an incomplete recovery？（）

A. when all the online redo log groups are multiplexed and one of the members of a group is missing
B. when all the online redo log groups are not multiplexed and one log group is missing
C. when all the control files are missing
D. when some important tables are deleted from the database and purged from the Recycle Bin

单项选择题

You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility？（）

A. UNTIL CANCEL
B. UNTIL SCN
C. UNTIL SEQUENCE
D. UNTIL TIME

单项选择题

You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace， DATA1， was dropped and purged from the Recycle Bin. After performing an incomplete recovery， you open the database with the RESETLOGS option. What will NOT be the impact of using the RESETLOGS option？（）

A. The log sequence for the database will restart from 1.
B. The log sequence number will be written to the control file.
C. The log sequence number will be written to the datafile headers.
D. The log sequence number will be written to the initialization parameter file.