MySQL8数据库运行SQL时候,提示如下错误: Expression #2 of SELECT list is not in GROUP BY clause *** which is not functionally dependent on columns in GROUP BY clause;this is incompatible with sql_mode=only_full_group_by 大概意思是select的字段,都要在group by里面得有;不过之前旧的版本是可以的;所以通过修改一些配置,也…