单项选择题 A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

单项选择题 EverySunday，consistentbackupsareperformedonyourdatabase.Becauseofausererror，youperformedanincompleterecoveryonTuesdayandopenedthedatabasewiththeRESETLOGSoption.AusererroroccursagainonThursday，whichnecessitatesanincompleterecovery.Sunday’sbackupisthemostrecentbackupavailable.Whatwouldyoudointhisscenario？（）

单项选择题 You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact.  In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）