Which command would correctly start a TSPITR of the USERS tablespace？（）  

单项选择题Whenperformingadatabaseduplication，whichduplicatedatabaseparameterwouldyousettoensurethattheonlineredologsarecreatedinthecorrectlocation？（）

A. log_file_name_convert
B. convert_log_file_name
C. file_name_convert_log
D. redo_log_file_name_convert
E. logfile_convert_directory

单项选择题When performing a full database disaster recovery with RMAN， in what order would you execute these steps？（）   a. Restore the control file from autobackups.  b. Run the RMAN restore and recover command.  c.Restore the database spfile from autobackups.  d. Make the RMAN backup set pieces available.  e. Open the database with the alter database open resetlogs command.  f.Open the database with the alter database open command.

A. a， b， c， d， e， f
B. c， d， a， b， f
C. d， c， a， b， f
D.  d， b， d， c， e
E.  d， c， a， b， e

单项选择题Whatviewwouldyouusetodetermineifagiventablespaceisfullyself-containedfortheexecutionofatablespacepoint-in-timerecovery？（）

A. TS_CHECK
B. TPITR_CHECK
C. TS_PITR_CHECK
D. CHECK_TSPITR
E. PITR_TS_CHECK

单项选择题Whatcommandisusedtoresetadatabasetoapreviousincarnation？（）

A. reset incarnation
B. incarnation reset
C. reset database to incarnation
D. reset database incarnation
E. reset databse incarnation number

单项选择题Howmanydatabaseinstancesareusedduringadatabase-duplicationprocess？（）

A. One
B. Two
C. Three
D. Four
E. Five