第一步:在v$sqlarea 这视图里面找到你操作那条SQL的时间;
select r.FIRST_LOAD_TIME,r.* from v$sqlarea r order by r.FIRST_LOAD_TIME desc ;
第二步:
create table t_table_recove --新表
as
select * from t_table--你操作的那张表?
as of timestamp to_timestamp('2010-06-02 11:36:53','yyyy-mm-dd hh24:mi:ss');

create table order_t_Temp
as
select * from order_t as of timestamp(sysdate-1/24);