1、每年selectyear(ordertime) 年,sum(Total) 销售合计from订单表groupbyyear(ordertime)2、每月selectyear(ordertime) 年,month(ordertime) 月,sum(Total) 销售合计from订单表groupbyyear(ordertime),month(ordertime3、每日selectyear(ordertime) 年,month(ordertime) 月,day(ordertime) 日,sum(Total) 销售合计...
–DATEPART(month,CreateDate) => 12 –DATEPART(year,CreateDate) => 2013 代码语言:javascript 复制 --2020-09-2908:58:18selectconvert(varchar(100),getdate(),20)--20200929085818selectreplace(replace(replace(convert(varchar(100),getdate(),20),'-',''),' ',''),':','')--202009290858selectle...
select count(*) as cnt,week(editdate) as weekflg from projects where year(editdate) =2007 group by weekflg 每月 select count(*) as cnt,month(editdate) as monthflg from projects where year (editdate)=2007 group by monthflg 每天 select count(*) as cnt from projects group by date(edit...
select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datename(week,[date]) --按月 select sum(consume),month([date]) from consume_record where year([date]) = '2006' group by month([date]) --按季 select sum(consume),datename(quarter,[...
因为窗口函数是 对where或者group by子句 处理后的结果进行操作,所以窗口函数原则上只能写在select子句中。 1.知识点总结: sum(...A...) over(partition by ...B... order by ...C... rows between ...D1 and ...D2...) avg(...A ... ) over(partition by ...B... order by ...C....
GROUP BY YEAR(s.sail_time) , MONTH(s.sail_time) 1. 2. 3. 4. 5. 此处使用左连接的原因:是要补充销售表里单品的价格,要以左表为基准,要用了左连接 结果: 单步操作获得同比数据 同比:一般情况下是今年第n月与去年第n月比 计算方式:同比增长率=(本期数-同期数)÷同期数×100% ...
GROUP BY YEAR(paidtime),MONTH(paidtime) 2、统计用户三月份的回购率和复购率 复购率:当月购买了多次的用户占当月用户的比例 a、先筛选出3月份的消费情况 SELECT * from orderinfo where ispaid='已支付' and month(paidtime)=3 b、统计一下每个用户在3月份消费了多少次 ...
在SQL中合并月份和年份列,可以使用CONCAT函数将两个列合并成一个新的列。 具体操作步骤如下: 1. 选择要合并的月份列和年份列,假设分别为month和year。 2. 使用CONCAT函数...
and CONCAT(YEAR(CURDATE()),'-','12') )t group by month 4、本月闸机报警统计 统计当前月份每天闸机的报警次数 思路: ① 和上面统计本年和近5年一样,首先是查询出在本月第一天到最后一天的记录 ② 再按天数进行分组统计 Select day, count(1) num ...
>='2015-3-1' and rq < '2015-4-1' then sl else 0 end) as '3月份' from a2;运行结果：以列方式统计，更为简单：把rq 转换为年+月 格式，再分组即可以。select year(rq) * 100 + month(rq) as rq, sum(sl) as 'sl' from a2group by year(rq) * 100 + month(rq);...