如何在MySQL中找到两个日期之间的差异？

如何在MySQL中找到两个日期之间的差异？

DATEDIFF

返回两个日期之间以天为单位的差异：

学习

mysql> select current_date()>'2011-01-01 12:01:01';
+--------------------------------------+
| current_date()>'2011-01-01 12:01:01' |
+--------------------------------------+
|                                    1 |
+--------------------------------------+
1 row in set (0.00 sec)

mysql> select '2011-01-01 12:01:01' > current_date();
+----------------------------------------+
| '2011-01-01 12:01:01' > current_date() |
+----------------------------------------+
|                                      0 |
+----------------------------------------+
1 row in set (0.00 sec)

mysql> 

eg :     SELECT DATEDIFF('2007-12-31 23:59:59','2007-12-30');