单项选择题

Flashback Database relies on which technologies to recover to a point in time？（）

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

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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

单项选择题

You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（）

A. All the triggers are disabled.
B. All the triggers are enabled by default.
C. Enabled triggers remain enabled and disabled triggers remain disabled.
D. Triggers are deleted when a Flashback Table operation is performed.