https://docs.oracle.com/cd/F19136_01/adfns/flashback.html#GUID-115952E6-DB02-48D5-A2D3-B5C04AB68063
update "HR"."EMPLOYEES" set "SALARY" = '8200' where ROWID = 'AAAFwxAAEAAAAClAAK';
commit;
SELECT versions_startscn,
versions_endscn,
versions_xid, versions_operation,
last_name, salary
FROM hr.employees
VERSIONS BETWEEN TIMESTAMP minvalue AND maxvalue
WHERE last_name='Chen';