摘要: timediff 精确到毫秒单位 select timediff(end_ts,start_ts),substring(timediff(end_ts,start_ts),1,5),start_ts,end_ts from rest_serv_audit; datediff select dated 阅读全文
posted @ 2018-11-16 14:55 煲汤比写诗重要 阅读(1075) 评论(0) 推荐(0)
摘要: create table baotang.dual(dummy String); 阅读全文
posted @ 2018-11-16 14:06 煲汤比写诗重要 阅读(705) 评论(0) 推荐(0)