disable | Disables the Flashback mode for the entire session |
enable_at_system_change_number | Enables Flashback for the entire session. Takes an SCN as an Oracle number and sets the session snapshot to the specified number. Inside the Flashback mode, all queries return data consistent as of the specified wall-clock time or SCN |
enable_at_time | Enables Flashback for the entire session. The snapshot time is set to the SCN that most closely matches the time specified in query_time |
get_system_change_number | Returns the current SCN as an Oracle number. You can use the SCN to store specific snapshots |
transaction_backout | Provides the mechanism to back out a transaction |