mysql按照时间分组查询的语句

mysql 按年、月、周、日分组查询

1.按照年份分组查询

SELECT DATE_FORMAT(t.bill_time,'％Y') month_time,sum(t.pay_price) total FROM f_bill t GROUP BY month_time;

查询结果

2.按照月份分组查询

SELECT DATE_FORMAT(t.bill_time,'％Y-％m') month_time,sum(t.pay_price) total FROM f_bill t GROUP BY month_time;

查询结果

3.按照周分组查询

SELECT CONCAT(SUBSTR(DATE_FORMAT(t.bill_time,'％Y-％u') FROM 1 FOR 4),'第',SUBSTR(DATE_FORMAT(t.bill_time,'％Y-％u'),6),'周') week_time,sum(t.price) total FROM f_bill t GROUP BY week_time;

查询结果

4.按照日分组查询

SELECT DATE_FORMAT(t.bill_time,'％Y-％m-％d') month_time,sum(t.pay_price) total FROM f_bill t GROUP BY month_time;

查询结果

来源：https://www.cnblogs.com/zhangLiGang/p/15398067.html