mysql> select date_sub(now(),interval 5 day);
+--------------------------------+
| date_sub(now(),interval 5 day) |
+--------------------------------+
| 2006-04-21 22:17:23 |
+--------------------------------+
1 row in set (0.08 sec)
+--------------------------------+
| date_sub(now(),interval 5 day) |
+--------------------------------+
| 2006-04-21 22:17:23 |
+--------------------------------+
1 row in set (0.08 sec)
这个不对,怎么把所有的数据都检索出来了?