1Z0-032多項(xiàng)選擇題每日一練(2019.03.21)

A.A
B.B
C.C
D.D
E.E
F.F

A.Online backups.
B.Skipping unused block. 
C.Partial database backups.
D.Incremental block-level backup.
E.Detection of corrupted blocks during backup.

A.A
B.B
C.C
D.D

A.data files
B.control files
C.redo log files
D.parameter files
E.archive log files

A.Direct-path export is typically faster.
B.Direct-path export can be invoked interactively.
C.Direct-path export is character set independent.
D.Direct-path export bypasses the SQL-command processing layer.
E.Direct-path export can be used to export rows containing LOBs and BFILEs.