1055(42000): SELECT list is not in GROUP BY clause and contains nonaggregated column 原因与解决方案 该报错主要是因为sql_mode参数被修改导致: 原因一:用户修改sql_mode参数导致GROUP BY的语法不合规 原因:用户修改了sql_mode参数,添加了ONLY_FULL_GROUP_BY条件,导致GROUP BY的语法不符合规范。 解决方案:...
MySQL中遇到“SELECT list is not in GROUP BY clause and contains nonaggregated”错误通常是因为在GROUP BY查询中,SELECT列表中的某些列既没有被包含在GROUP BY子句中,也没有使用聚合函数。 这个错误在MySQL 5.7及以上版本中较为常见,因为这些版本默认启用了ONLY_FULL_GROUP_BY SQL模式。该模式要求,在使用GROUP ...
Expression #2 ofSELECT list is not in GROUP BY clause and contains nonaggregatedcolumn ‘sss.month_id’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 问题出现的原因:MySQL5.7.5及以上功能依赖检测功能。如果启用了ONLY_FULL...
）MySQL遇见SELECT list is not in GROUP BY clause and contains nonaggre的问题
Mysql:SELECT list is not in GROUP BY clause 操作系统:windows mysql版本:5.7 详细报错: Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'db.table_name.item_name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible ...
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...
简介:在MySQL中,当你使用GROUP BY子句时,SELECT列表中的所有列必须被聚合或包含在GROUP BY子句中。否则,你会遇到“Expression #4 of SELECT list is not in GROUP BY clause and contains nonaggregated column ...”的错误。这篇文章将解释这个问题的原因,并提供几种解决方案。
MySQL运行报错:“Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column”如何解决 在使用MySQL进行查询时,有时会遇到如下错误信息: Expression #1ofSELECTlistisnotinGROUPBYclauseandcontains nonaggregated column'database.table.column' which is not functionally dependent on ...
select @@global.sql_mode; 2 执行以下sql语句,去除步骤1中 ONLY_FULL_GROUP_BY set @@global.sql_mode = 'STRICT_TRANS_TABLES, NO_ZERO_IN_DATE, NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER, NO_ENGINE_SUBSTITUTION'; 方法二 1 远程服务器找到 my.cnf 文件 2 在该文件的底...
产生原因说是,在MySQL数据库版本为5.7以上的版本,默认开启了 ONLY_FULL_GROUP_BY SQL模式,在此模式下,对于group by操作,如果在select语句中的查询列没有在group by中出现,那么这个SQL就是非法的,因为列不在group by语句中,所以设置了sql_mode=only_full_group_by的数据库,在使用group by时就会报错。