我得到了 Table具有多个市场详细信息,我想在新列中获取总销售额的百分比,例如 this 。 我尝试了以下代码,但它不起作用。
Select Market, Sale, Sale*100/t.s as %total
from mytablename
cross join (select sum(Sale) as s from mytablename
group by Market
有人可以帮忙吗?
谢谢
最佳答案
使用子查询和聚合函数:
Select t.Market, sum(t.Sale), sum(Sale)*100.0/total.s as `%total`
from mytablename t cross join
(select sum(Sale) as s from mytablename) total
group by t.Market;
关于MySQL - 多行总数的百分比,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41906248/