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将日期时间2016-05-13 16:07:50转化为字符串20160513 date_format select phone, date_format(time, '%Y%m%d%H%i%s' ...

select id, phone,time,year(time),month(time), DAY(time),TIME(time) from user where phone='xxxxxx' # ...

--#DESC降序排列， --默认升序排列 select * from room where uid='1329907' order by addtime DESC ----- 根据 “ ...

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转载：http://www.cnblogs.com/yufeihlf/p/6004124.html ...

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TIMESTAMPDIFF(MINUTE, 开始时间, 结束时间) as 时间差（单位：分钟数） TIMESTAMPDIFF(interval,datetime_expr1,datetime_ ...

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INITCAP:转换每个字的第一个字符为大写LOWER:转换所有字符为小写UPPER:转换所有字符为人写 eg: LOWER(phone) ...