求一关于计算百分比的sql语句 1.select sum(num1) * 1.0 / (sum(num1) + sum(num2)) from table 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 1:select round(sum(rum1)/(sum(rum1)+sum(rum2)),4)*100 from 表 2. select * from table where num1 * 1.0 / num2 > (select sum(num1) * 1.0 / (sum(num1) + sum(num2)) from table) 1. select (sum(num1)+0.00001) / (sum(num1) + sum(num2)) from table2. select (sum(num1)+0.00001) / (sum(num1) + sum(num2)) from table where sum(num1)+0.00001) / (sum(num1) + sum(num2))>总比例 2. select num1 / (num1 + num2) from table where num1 / (num1 + num2)>sum(num1)+0.00001) / (sum(num1) + sum(num2)) SELECT [id],count(id) FROM [tt] GROUP BY [id],怎样把 count(id) 的结果保存到一个变量 @cc 中? 请教。。。 帮我改一个存储过程 这样的表怎么怎成需要的视图? 数据库查询优化 本人初学不太懂求解 SQL局域网连接的问题Guest登陆失败 sqlserver2005 sp3 X64安装的时候windows installer.msp安装不上 请教一个SQL 语句的写法。在线等待!! 变量 多表连接问题 Reporting Services 经典问题?
select round(sum(rum1)/(sum(rum1)+sum(rum2)),4)*100 from 表
2. select (sum(num1)+0.00001) / (sum(num1) + sum(num2)) from table where
sum(num1)+0.00001) / (sum(num1) + sum(num2))>总比例