两个SQL时间戳值之间的差异

Question

如何找到两个SQL时间戳值之间的差异，以分钟和秒为单位？

Answer 1

尝试TIMEDIFF（）函数：

http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_timediff

示例：

mysql> select timediff('2010-11-03 15:30:00','2010-11-03 14:00:00') as diff;
+----------+
| diff     |
+----------+
| 01:30:00 |
+----------+

Answer 2

使用TIMEDIFF：

SELECT TIMEDIFF(ts1, ts2) FROM ...