单项选择题
A.Differential incremental backup B.Different incremental backup C.Cumulative backup D.Cumulative incremental backup
Whichofthefollowingbestdescribesafullbackup?（）A.All dat...
单项选择题Which of the following best describes a full backup? （）
A.All datafiles of a database B.All datafiles, archive logs, and control files C.All datafiles and control files D.All the used blocks in a datafile
Howisblock-changetrackingenabled?（）A.With alter databas...
单项选择题How is block-change tracking enabled?（）
A.With alter database enable block change tracking B.With alter system enable block change tracking C.With an init.ora parameter change D.With an spfile parameter change
Youhavelostdatafile4fromyourdatabase.Whichistypicallyth...
单项选择题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）
A.Restore and recover the datafile. B.Restore and recover the tablespace. C.Restore and recover the database. D.Restore and recover the control file. E.Restore and recover the parameter file.
