View the Exhibit and examine the output of the query in different times when the following command runs in an RMAN sessions: RMAN> BACKUP DATABASE FILESPERSET 2; The database has seven data files. Why is the %_COMPLETE refreshed to 13.59 in the third output after reaching 88.77?（）<br>A:Because the progress is reported for each data file<br>B:Because the progress is reported for each backup set<br>C:Because other RMAN sessions have issued the same BACKUP command<br>D:Because new data files have been added to the database while the RMAN backup is in progress

View the Exhibit and examine the output of the query in different times when the following command runs in an RMAN sessions: RMAN> BACKUP DATABASE FILESPERSET 2; The database has seven data files. Why is the %_COMPLETE refreshed to 13.59 in the third output after reaching 88.77?（）
A:Because the progress is reported for each data file
B:Because the progress is reported for each backup set
C:Because other RMAN sessions have issued the same BACKUP command
D:Because new data files have been added to the database while the RMAN backup is in progress

出自：Oracle认证

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