select *from stu group by sex报错 mysql版本5.7.26 解决方式:在mysql命令提示符中输入set session sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; 然后就不会报错了