摘要: SELECT TIMESTAMPDIFF(SECOND, now(), "2012-11-11 00:00:00") 语法为:TIMESTAMPDIFF(unit,datetime1,datetime2), 其中unit单位有如下几种,分别是:FRAC_SECOND (microseconds), 阅读全文
posted @ 2017-07-11 20:30 ilvutm博园 阅读(1483) 评论(2) 推荐(0) 编辑