A.Differential incremental backup B.Different incremental backup C.Cumulative backup D.Cumulative incremental 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
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