mysql 如何获取当前时间 前一小时的时间? 问题如题,大家帮忙啊!mysql 如何获取当前时间 前一小时的时间? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 mysql> select now(); +---------------------+| now() |+---------------------+| 2011-08-08 13:59:30 |+---------------------+1 row in set (0.00 sec)mysql> select date_sub(now(), interval 1 hour);+----------------------------------+| date_sub(now(), interval 1 hour) |+----------------------------------+| 2011-08-08 12:59:31 |+----------------------------------+1 row in set (0.00 sec) select DATE_ADD(Now(),INTERVAL -1 hour);select DATE_ADD(CURRENT_TIME(),INTERVAL -1 hour); where time < date_sub(NOW(),interval 60 minute); select now() - interval 1 hour; mysql> select now(),now() - interval 1 hour;+---------------------+-------------------------+| now() | now() - interval 1 hour |+---------------------+-------------------------+| 2011-08-08 14:32:11 | 2011-08-08 13:32:11 |+---------------------+-------------------------+1 row in set (0.11 sec)mysql> :<mysql/mysql.h>: No such file or directory show create table 乱码 急!高分求PostgreSQL备份和恢复数据库的SQL语句! mysql 存放二进制 重定位 /var/lib/mysql 的问题 人气太低,散分200 多连接数据库操作问题。 mysql 查询表数据 除了某个字段SQL 如何写请帮助 如何在c环境下实现批处理? 从MySQL中读出一张图片被无限放大! 小白发帖求助怎么写存储过程 求一个资源!
+---------------------+
| now() |
+---------------------+
| 2011-08-08 13:59:30 |
+---------------------+
1 row in set (0.00 sec)mysql> select date_sub(now(), interval 1 hour);
+----------------------------------+
| date_sub(now(), interval 1 hour) |
+----------------------------------+
| 2011-08-08 12:59:31 |
+----------------------------------+
1 row in set (0.00 sec)
select DATE_ADD(Now(),INTERVAL -1 hour);
select DATE_ADD(CURRENT_TIME(),INTERVAL -1 hour);
+---------------------+-------------------------+
| now() | now() - interval 1 hour |
+---------------------+-------------------------+
| 2011-08-08 14:32:11 | 2011-08-08 13:32:11 |
+---------------------+-------------------------+
1 row in set (0.11 sec)mysql>