select DATE_FORMAT(date,'%Y%u') weeks,count(id) count from table group by weeks; select DATE_ ...
substr col, , 分组 例如 select substr t.UPDATE TIME, , as months,sum t.tot modal as sumsfrom test tgroup by substr t.UPDATE TIME, , ...
2019-12-11 21:16 0 806 推荐指数:
select DATE_FORMAT(date,'%Y%u') weeks,count(id) count from table group by weeks; select DATE_ ...
知识关键词:DATE_FORMAT DATE_FORMAT(date,format) 根据format字符串格式化date值。下列修饰符可以被用在format字符串中: ...
MYSQL函数:DATE_FORMAT 例子: select DATE_FORMAT(create_time, '%Y%m%d') days,count(caseid) count f ...
按时间分组 统计 table的rowspan跨度 ...
按照周或者月统计活跃数: 周: SELECT week, COUNT(DISTINCT pin), business_type FROM ( SELECT DISTINCT user_log_acct AS pin,weekofyear(dt) AS week , CASE ...
在工作业务中常会使用mysql的日期函数,下面做一下关于这方面的sql整理: 1.内置日期函数 now(): 返回当前的日期和时间 unix_timestamp(): 返回自1970-0 ...
按周 select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks; 按月 select ...