select * from mbk.qb_qbbs_xc as of timestamp to_timestamp('2016-12-21 15:40:00','yyyy-mm-dd hh24:mi:ss') //查询还原时间点数据
flashback table qb_qbbs_xc to timestamp to_timestamp('2016-12-21 15:40:00','yyyy-mm-dd hh24:mi:ss'); //还原数据
alter table qb_qbbs_xc enable row movement; //如果执行上面报错则执行语句"运行修改时间戳"
