These are the details about V$FLASHBACK_DATABASE_STAT: SQL> DESC V$FLASHBACK_DATABASE_STAT Name Null? Type ------------- -------- -------------- BEGIN_TIME DATE END_TIME DATE FLASHBACK_DATA NUMBER DB_DATA NUMBER REDO_DATA NUMBER ESTIMATED_FLASHBACK_SIZE NUMBER Which two statements regarding the V$FLASHBACK_DATABASE_STAT view are true? ()
A.
BEGIN_TIME is the time at which Flashback logging is enabled.
B.
END_TIME is the time at which the query is executed on the view.
C.
REDO_DATA is the number of bytes of redo data written during the interval.
D.
This view contains information about flashback data pertaining to the last 24 hours.
E.
FLASHBACK_DATA is the amount of flashback data generated since the database was opened.