1、获取年份
select YEAR(CURDATE());
2018
2、获取月份
select MONTH(CURDATE());
12
3、获取日期
select DATE(CURDATE());
14
4、获取当年一月份
select CONCAT(YEAR(CURDATE()),'-','01');
2018-01
总结:
其实前3个函数的用法就是MONTH(时间),例如:
select MONTH('2018-05-08')
5
例如:
select avg(flow) flow,avg(talk) talk,avg(cost) cost from bill where
MONTH(CURDATE()) - MONTH(b_time) < 5
and uid = (select uid from user where phone = 13277924031)