解决：mysql 5.7.9 [Err] 1055 ...this is incompatible with sql_mode=only_full_group_by

mysql 5.7.9 [Err] 1055 插入时候会报错，错误代码如下

[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my.cnf （或者my.ini）里面设置
sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'

在sql_mode 中去掉only_full_group_by ,解决问题！

作者：笑天涯
链接：https://www.zhihu.com/question/37942423/answer/88964542
来源：知乎
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