单项选择题
A. Start the database in the MOUNT stage.
B. Back up the control file to trace.
C. Set the DBID
D. Issue the RECOVER DATABASE command.
单项选择题 In which scenario will you issue the following command？（） SQL> RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；
单项选择题 Inwhichscenariowillyouperformanincompleterecovery？（）
单项选择题 You are working as a DBA in a company. The datafiles in the database are as follows： On Monday， you tried to start up the database but failed because all the control files were missing. You recreated the control file using the script you have created by issuing the ALTER DATABASE BACKUP CONTROLFILE TO TRACE command. What is the prerequisite for recreating the control file？（）