小編給大家分享一下mysql中TIMESTAMPDIFF函數(shù)怎么用,希望大家閱讀完這篇文章之后都有所收獲,下面讓我們一起去探討吧!
TIMESTAMPDIFF
TIMERSTAMPDIFF語法:
TIMERSTAMPDIFF(interval,datetime_expr1,datetime_expr2)
說明:
該函數(shù)是返回datetime_expr1和datetime_expr2之間的整數(shù)差,其中單位有interval參數(shù)決定,interval的常用參數(shù)有:
FRAC_SECOND 時(shí)間間隔是毫秒
SECOND 時(shí)間間隔是秒
MINUTE 時(shí)間間隔是分鐘
HOUR 時(shí)間間隔是小時(shí)
DAY 時(shí)間間隔是天
WEEK 時(shí)間間隔是周
MOUTH 時(shí)間間隔是月
QUARTER 時(shí)間間隔是季度
YEAR 時(shí)間間隔是年
示例:
MariaDB [(none)]> select timestampdiff(hour,'2018-06-05 09:00:00','2018-06-15 09:00:00');
+-----------------------------------------------------------------+
| timestampdiff(hour,'2018-06-05 09:00:00','2018-06-15 09:00:00') |
+-----------------------------------------------------------------+
| 240 |
+-----------------------------------------------------------------+
1 row in set (0.00 sec)
示例二:
MariaDB [(none)]> select timestampdiff(day,'2018-06-05 09:00:00','2018-06-15 09:00:00');
+----------------------------------------------------------------+
| timestampdiff(day,'2018-06-05 09:00:00','2018-06-15 09:00:00') |
+----------------------------------------------------------------+
| 10 |
+----------------------------------------------------------------+
1 row in set (0.00 sec)
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