摘要: select avg(data1) as a from temp WHERE YEAR(mdate)= 2018 and MONTH(mdate)=03 and day(mdate)=25 GROUP BY hour(mdate); 6 6 10 9 10 11 10 14 17 18 19 20 阅读全文
posted @ 2018-04-03 22:47 zhaocundang 阅读(535) 评论(0) 推荐(0) 编辑