单项选择题 Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement：   SQL> DROP TABLE SCOTT.EMP PURGE；   After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）

单项选择题 YouaremaintainingyourdatabaseinOracle10g.OnTuesdayat8：00A.M.，whilestartingthedatabase，youdiscoverthatallthecontrolfilesaremissing.ThebackupofthefulldatabasewasperformedonSundayat6：00P.M.Whichtypeofrecoverywillyouperform？（）

单项选择题 You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement：       SQL>ALTER DATABASE OPEN RESETLOGS；   Which of the following options is true about using the RESETLOGS option？（）