mysql 求和并排名

来源:百度知道 编辑:UC知道 时间:2024/05/23 00:15:29
两张表以上,求完和再进行排名 不要用存储过程

大体格式如下,根据实际情况进行修改:

select sum(value_name)as sum_name,max(group_name) from (select value1 as value_name ,value1_group as group_name from table1 union all select value2 as value_name,value2_group as group_name from table2) table

group by group_name

order by sum_name desc