多项选择题
A. Database datafiles B. Online redo logs C. Archived redo logs D. Backup control file E. Control file from a backup
Whatmethodsofpoint-in-timerecoveryareavailable？（）A. Cha...
多项选择题What methods of point-in-time recovery are available？（）
A. Change-based B. Cancel-based C. Time-based D. Sequence number-based E. Transaction number-based
Which are the correct steps， in order， to deal with the...
单项选择题
Which are the correct steps， in order， to deal with the loss of an online redo log if the database has not yet crashed？（） a. Issue a checkpoint. b. Shut down the database. c. Issue an alter database open command to open the database. d. Startup mount the database. e. Issue an alter database clear logfile command. f. Recover all database datafiles.
A.a， b， c， d B.b， d， e， c C.a， b， d， e， c D.b， f， d， f， c E.b， d， a， c
Whichfileswillyouneedtoperformafullrecoveryofadatabaseb...
多项选择题Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode？（）
A. Database datafiles B. Control files C. Archived redo logs D. Online redo logs E. Flashback logs
