【www.bbyears.com--php安装】
word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 20px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">mysql 获取规定时间段内的统计数据
按年统计
代码如下
SELECT
count(*),
DATE_FORMAT(order_info.create_time,'%Y-%m-%d')AScount_by_date
FROM
order_info
WHERE
DATE_FORMAT(order_info.create_time,'%Y') ='
GROUPBY
count_by_date
ORDERBYNULL
按月统计
代码如下
SELECT
count(*),
DATE_FORMAT(order_info.create_time,'%Y-%m-%d')AScount_by_date
FROM
order_info
WHERE
DATE_FORMAT(order_info.create_time,'%Y-%m') =-04'
GROUPBY
count_by_date
ORDERBYNULL
具体变换可以自己根据需求变更
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！