oracle没有开启闪回,也没记录日志,最后根据某一时刻的数据还原,具体操作如下:
根据oracle自己的快照备份查询某一时刻的某张表数据
select * from COMPANY as of timestamp to_timestamp('2021-08-15 14:06:00', 'YYYY-MM-DD:HH24:MI:SS');
可直接删除表数据,再插入历史快照数据:
delete from COMPANY;
commit;
insert into COMPANY select * from COMPANY as of timestamp to_timestamp('2021-08-15 14:06:00', 'YYYY-MM-DD:HH24:MI:SS');