MySQL日期函数的用法几则

1.将Date类型变成年月日时分秒的形式

select date_format(claimDate,'%Y-%m-%d %H:%i:%s') as claimdate from t1

2.只要年月日的形式

select date_format(claimdate,'%Y-%m-%d') as newdate from t1

3.获得星期几（英语如Monday，Tuesday...）

select DAYNAME(claimdate) as weekday from t1