多项选择题

Which of these are valid Flashback Database recovery point parameters？（）

A. SCN
B. Timestamp
C. Named recovery point
D. Transaction ID
E. Session ID

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单项选择题

A. FLSH
B. FLDB
C. RVWR
D. RVRW
E. FBDA

单项选择题

A. Flashback Data Archive
B. Flashback logs in the flash recovery area
C. FlashbUndo tablespace
D. RMAN command line
E. None of the above

多项选择题

Which method could be utilized to identify both DML operations and the SQL statements needed to undo those operations for a specific schema owner？（）

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