select *
from table1 as of timestamp to_timestamp('20130621 12:08:01', 'yyyymmdd HH24:MI:SS');
update set_apply_exam sae
set sae.item_name =
(select t1.item_name
from set_apply_exam as of timestamp to_timestamp('20140415 12:08:01', 'yyyymmdd HH24:MI:SS') t1
where t1.SET_ID = sae.SET_ID)
where sae.reserve_field_code is not null;
oralce 数据还原
猜你喜欢
转载自vernonchen163.iteye.com/blog/1891601
今日推荐
周排行