深入mysql YEAR() MONTH() DAYOFMONTH()日期函数的详解

mysql的日期函数. 例子中当前日期：
curdate() 是2013年6月24日。 
YEAR() ：显示年 
mysql> select year(curdate()); +-----------------+ | year(curdate()) | +-----------------+ | 2013 | +-----------------+ 1 row in set (0.01 sec) 
MONTH() ：显示月 
mysql> select month(curdate()); +------------------+ | month(curdate()) | +------------------+ | 6 | +------------------+ 1 row in set (0.00 sec) 
DAYOFMONTH()：显示日期 
mysql> select dayofmonth(curdate()); +-----------------------+ | dayofmonth(curdate()) | +-----------------------+ | 24 | +-----------------------+ 1 row in set (0.08 sec)