误更新:
select * from 表 as of timestamp sysdate - 前推分钟数/1440; #查看是否是误操作之前是数据create table 新表 as (select * from 误操作表 as of timestamp sysdate - */1440); #将查询结果保存update 表 t1set t1.字段 =(select 字段from 表 AS OF TIMESTAMP SYSDATE – 3 / 1440where t1.id = id)对SQL的解释说明:SYSDATE :当前时间1440 :24h*60m=1440m3:3分钟前