我有
ID username group
1 philip football
2 george baseball
3 alice football
4 ani football
5 george football
努力做到这一点
username group
philip football
george baseball, football
alice football
ani football
换句话说,我想将 grop idetms 组合成一个字符串,就像这里的“baysboll, football”
最佳答案
您需要GROUP_CONCAT
函数
select username, GROUP_CONCAT(group) FROM table GROUP BY Username
关于mysql - 将相似的查询结果合并为一行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11846567/