MySQL自带的日期函数TIMESTAMPDIFF计算两个日期相差的秒数、分钟数、小时数、天数、周数、季度数、月数、年数,当前日期增加或者减少一天、一周等等。
SELECT TIMESTAMPDIFF(类型,开始时间,结束时间)
SELECT TIMESTAMPDIFF(SECOND,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(MINUTE,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(HOUR,'1993-03-23 00:00:00 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(DAY,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(WEEK,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(QUARTER,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(MONTH,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT TIMESTAMPDIFF(YEAR,'1993-03-23 00:00:00',DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%S'))
SELECT NOW()
SELECT CURDATE()
SELECT DATE_SUB(CURDATE(),INTERVAL -1 DAY)
SELECT DATE_SUB(CURDATE(),INTERVAL 1 DAY)
SELECT DATE_SUB(CURDATE(),INTERVAL -1 WEEK)
SELECT DATE_SUB(CURDATE(),INTERVAL -1 MONTH)
SELECT DATE_SUB(NOW(),INTERVAL -1 MONTH)
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原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。