标签：pre sel mysql class time -- div second cond
SECOND(time) 返回 time 对应的秒数
mysql> SELECT SECOND(‘10:05:03‘); +--------------------+ | SECOND(‘10:05:03‘) | +--------------------+ | 3 | +--------------------+
标签：pre sel mysql class time -- div second cond
原文地址：http://www.cnblogs.com/pzk7788/p/6896467.html
