2条回答 默认 最新
- Dark_Zhou 2017-04-05 17:11关注
select hour(etim),totalpower from table group by hour(etime) having totalpower=max(totalpower)大概这样应该可以
解决 无用评论 打赏 举报
select hour(etim),totalpower from table group by hour(etime) having totalpower=max(totalpower)大概这样应该可以