DB_FLASHBACK_RETENTION

DB_FLASHBACK_RETENTION_TARGET

Property	Description
Parameter type	Integer
Default value	`1440` (minutes)
Modifiable	`ALTER SYSTEM`
Range of values	`0` to 2³² - 1 (max value represented by 32 bits)
Basic	No

DB_FLASHBACK_RETENTION_TARGET specifies the upper limit (in minutes) on how far back in time the database may be flashed back. How far back one can flashback a database depends on how much flashback data Oracle has kept in the flash recovery area.