MySQL异常:[Err] 1055 – Expression #1 of ORDER BY clause is not in GROUP BY clause

[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 在navicat中使用mysql加索引或者删除索引时报了这个错。 两种解决方