解决MySQL报错:[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'informat 一、问题描述 新安装的MySQL5.7.22 或 8.0.11,在 Navicat 上执行删除操作时,遇到报错: [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 二、问题解决 1、 解决办法: 把 sql_mode中的 only_full_group_by 去掉即可。 2、 办法一 (摘自 这里 只在当前查询页面有效,不能一次性解决问题!):
- select version(), @@sql_mode;
- SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));
- 查找 my.cnf 文件: find / -name my.cnf 或者 whereis my.cnf
- 获取 sql_mode字段内容: SELECT @@sql_mode;
- 去掉 sql_mode字段中的 only_full_group_by
- 编辑 my.cnf: vim /etc/my.cnf 将上一步骤的 sql_mode 字段内容添加至 my.cnf
- 保存,重启: service mysqld restart
- sql_mode 字段参考: