mysql中TIMESTAMPDIFF函数怎么用

小编给大家分享一下mysql中TIMESTAMPDIFF函数怎么用，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！

TIMESTAMPDIFF

TIMERSTAMPDIFF语法:

TIMERSTAMPDIFF(interval,datetime_expr1,datetime_expr2)

说明:

该函数是返回datetime_expr1和datetime_expr2之间的整数差,其中单位有interval参数决定,interval的常用参数有:

FRAC_SECOND 时间间隔是毫秒

SECOND 时间间隔是秒

MINUTE 时间间隔是分钟

HOUR 时间间隔是小时

DAY 时间间隔是天

WEEK 时间间隔是周

MOUTH 时间间隔是月

QUARTER 时间间隔是季度

YEAR 时间间隔是年

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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