摘要: 安装了mysql5.7,用group by 查询时抛出如下异常: Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'userinfo.t_long.user_name' 阅读全文
posted @ 2019-11-01 16:13 龙卷风之殇 阅读(229) 评论(0) 推荐(0)