oracle 用一个表的多个字段更新另一个表对应的多个字段时间:2022-04-03 13:02:37update wx_weather a set (a.high_l,a.low_l)= (select high_l, low_l from wx_original_weather b where a.date_l=b.date_l) where a.date_l in (SELECT date_l from wx_original_weather)