MySql 日期格式化函数date_format()

mysql> select date_format(now(),\'%Y\'); 
+-------------------------+ 
| date_format(now(),\'%Y\') |
 +-------------------------+ 
| 2009 | 
+-------------------------+ 
1 row in set (0.00 sec) 
扩展： %Y：年 %c：月 %d：日 %H：小时 %i：分钟 %s：秒 
mysql> select date_format(now(),\'%Y-%c-%d %h:%i:%s\'); +----------------------------------------+ 
| date_format(now(),\'%Y-%c-%d %h:%i:%s\') | 
+----------------------------------------+ 
| 2009-8-07 06:59:40 | 
+----------------------------------------+ 
1 row in set (0.00 sec) ---