Flashback
It's possible to do the flashback for:
- table
- db (open db with resetlogs)
- tablespace
v$flashback_database_stat
v$flashback_database_log
grant execute on DBMS_FLASHBACK to POWER_USER;
alter system set UNDO_MANAGEMENT=AUTO;
alter system set UNDO_RETENTION=100000;
select * from some_table as of timestamp to_timestamp('12/12/2005 19:00','DD/MM/YYYY HH24:MI');