select col1, col2 = sum(col2) from tb group by col1 or select col1, sum(col2) as col2 from tb group by col1
select col1,sum(col2) col2 from 表 group by col1
34,837
社区成员
254,632
社区内容
加载中
试试用AI创作助手写篇文章吧