两个datediff()

Question

这两个datediff()是什么意思？

SELECT OPEN_DATETIME, datediff(OPEN_DATETIME, '2016-12-13 23:59:59') AS Aging FROM batch where datediff(OPEN_DATETIME, '2016-12-14 23:59:59') >= 5

Answer 1

mysql中的函数吧

Answer 2

是MySQL的函数

参见http://www.w3school.com.cn/sq...