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  • mysql 比较两个日期的时间差

    1 DATEDIFF 函数

     这个默认以天为时间差,不能更改时间格式,不是很灵活。

    SELECT TIMESTAMPDIFF (HOUR,"2021-04-21 23:23:12","2021-04-25 23:23:12") as d

    2 TIMESTAMPDIFF 函数

    这就可以区分时间级别

    天(DAY)、小时(HOUR),分钟(MINUTE)和秒(SECOND)

    SELECT TIMESTAMPDIFF (DAY,"2021-04-21 23:23:12","2021-04-25 23:23:12") as "天"
    SELECT TIMESTAMPDIFF (HOUR,"2021-04-21 23:23:12","2021-04-25 23:23:12") as "时"
    SELECT TIMESTAMPDIFF (MINUTE,"2021-04-21 23:23:12","2021-04-25 23:23:12") as "分"
    SELECT TIMESTAMPDIFF (SECOND,"2021-04-21 23:23:12","2021-04-25 23:23:12") as "秒"

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  • 原文地址:https://www.cnblogs.com/zq1003/p/14705233.html
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