1. select * from emps as of timestamp to_Date('2015-12-11 14:00:00','yyyy-mm-dd hh24:mi:ss'),SQL语句是查询某一时间点上的表中的所有数据,可用于恢复误删(全部误删)的数据
2.恢复误删数据(全部误删)
insert inot emps select * from emps as of timestamp to_Date('2015-12-11 14:00:00','yyyy-mm-dd hh24:mi:ss')
3.恢复部分误删数据:
insert into emp (select * from emps as of timestamp to_Date('2015-12-11 14:00:00','yyyy-mm-dd hh24:mi:ss') where emp_id not in (select emp_id from emps))
只插入误删的数据,将表中存在的数据过滤掉