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

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