Select 来自 table 的数据，如果它们重复将其添加到新列中

Question

我有：

ID  SKU PRODUCT
=======================
1   FOO-23  Orange
2   BAR-23  Orange
3   FOO-24  Apple
4   FOO-25  Orange
5   BAR-24  Apple

我要

Orange FOO-23  BAR-23  FOO-25   
Apple FOO-24   Bar-24

我必须使用哪种查询？

Answer 1

select product, group_concat(SKU separator ' ' ) as skus
from your_table
group by product

Select data from table and if they repeat add it in new column