但当mysql的版本高于5.7时,在执行group by时,select的字段不属于group by的字段的话,就会报错。报错信息如下: 1055- Expression #1of SELECT list is notinGROUP BY clause and contains nonaggregated column ‘数据库名.表名.字段名’whichis not functionally dependent on columnsinGROUP BY clause; this is in...
mysql 查询报错Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 这个错误是由于 MySQL 的新版本中默认开启了ONLY_FULL_GROUP_BY模式,即在 GROUP BY 语句中的 SELECT 列表中,只能包含分组或聚合函数,不能包含其他列。而你的查询语句中出现了一个列senior_two.score.stud...
在执行MySQL命令进行查询时,提示如下错误: 1055(42000): SELECT list is not in GROUP BY clause and contains nonaggregated column 可能原因 该报错可能由以下两种原因引入: 原因一: 用户修改了sql_mode参数,加上了ONLY_FULL_GROUP_BY条件,导致GROUP BY的语法不符合规范。
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.w.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 在使用GROUP BY对Mysql的数据表进行查询时如果出现以下错误 1.查询mysql ...
Expression #1of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘grades.order_id’ which is not functionally dependent on columns in GROUP BY clause;this is incompatible with sql_mode=only_full_group_by 问题描述
Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘sss.month_id’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 1. 2. ...
MySQL是一个广为流行的关系型数据库管理系统,被广泛用于存储和管理数据。它提供了一个强大的查询语言,用于从数据库中检索数据。然而,在使用MySQL 8时,您可能会遇到一个常见的错误:“Expression #3 of SELECT list is not in GROUP BY clause and contains n”。本文将为您解释这个错误的原因,并提供一些解决此问...
这些列在没有正确使用GROUP BY时会导致错误,因为MySQL无法确定如何为这些列生成唯一的值。如果SELECT列表中包含这样的列,而该列的值在分组后的结果集中不是唯一的,MySQL将无法返回一致的结果。 提供一个示例,说明如何修正“select list is not in group by clause and contains nonaggregated column”的错误: 假设有...
MySQL遇见SELECT list is not in GROUP BY clause and contains nonaggre的问题 目录 报错现象 原因 解决方法 报错现象 执行SQL报错如下: 代码语言:javascript 复制 SELECTstudent.s_no,student.s_name,SUM(result.mark)FROMstudent,resultWHEREstudent.s_no=result.s_noGROUPBYstudent.s_no>1055-Expression #2of...
简介:MySQL5.7.5后only_full_group_by成为sql_mode的默认选项之一,这可能导致一些sql语句失效。 一、原因 MySQL5.7.5后only_full_group_by成为sql_mode的默认选项之一,这可能导致一些sql语句失效。 二、解决办法 1、命令行打开mysql.cnf,默认路径为/etc/mysql/conf.d/mysql.cnf,如果找不到可以使用whereis进行查...