| Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03 | 
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 | PDF · Mobi · ePub | 
V$FLASHBACK_DATABASE_STAT displays statistics for monitoring the I/O overhead of logging flashback data. This view also displays the estimated flashback space needed based on previous workloads.
| Column | Datatype | Description | 
|---|---|---|
| BEGIN_TIME | DATE | Beginning of the time interval | 
| END_TIME | DATE | End of the time interval | 
| FLASHBACK_DATA | NUMBER | Number of bytes of flashback data written during the interval | 
| DB_DATA | NUMBER | Number of bytes of database data read and written during the interval | 
| REDO_DATA | NUMBER | Number of bytes of redo data written during the interval | 
| ESTIMATED_FLASHBACK_SIZE | NUMBER | Value of ESTIMATED_FLASHBACK_SIZEinV$FLASHBACK_DATABASE_LOGat the end of the time interval |