打开【my.cnf】文件后,就在 [mysqld] 下面追加一行即可。 sql-mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION 2.2.2、Windows 中找到【my.ini】文件,打开后在 [mysqld] 下面追加一行即可。 sql-mode=STRICT_TRANS_TABLES,...
当用户在执行带有GROUP BY子句的查询时,如果遇到“Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column”的错误提示,这通常意味着当前的查询违反了ONLY_FULL_GROUP_BY模式的约束。该模式要求所有出现在SELECT列表中的列要么必须出现在GROUP BY子句中,要么必须是聚合函数的结果。
mysql group by 报错 use mysql;select@@global.sql_modeset@@global.sql_mode=`STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION `; flush privileges; flush hosts;
AI代码解释 [mysqld]sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION 千万要注意的是,网上很多方案都差不多,但是就是成功不了,原因是网上很多帖子给出的方案都是前面多了一个set,按照上面的方法就可以了~ 代码语言:javascr...
ERROR1055(42000):Expression #1ofSELECTlist is notinGROUPBYclause and contains nonaggregated column'hncu.stud.sno'which is not functionally dependent on columnsinGROUPBYclause;thisis incompatiblewithsql_mode=only_full_group_by 再执行此句: 代码语言:javascript ...
1、gourp by真的只能查询分组字段或者聚集字段? 首先准备两张表 t1为主表,t2根据classify_id关联 先执行一下简单分组,发现并没有出现问题 接着设置一下sql_mode set session sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USE...
mysqlgroup by 报错 mysql only_full_group_by 一、问题描述 报错如上图 在mysql 5.7版本下可能会报如下错误 Error Code: 1055. Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘×××’ which is not functionally dependent on columns in GROUP BY clause; ...
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION 如上图所示 配置完成后重启mysql即可 sudo service mysql restart 重启完成后可以再次查询一次当前数据看sql_mode信息看下是否有生效。 select @@GLOBAL.sql_mode; 四、结尾 感谢观看至此,希望...
set sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; 解决办法大致有两种: 一:在sql查询语句中不需要group by的字段上使用any_value()函数 这种对于已经开发了不少功能的项目不太合适,毕竟要把原来的sql都给修改一遍...
问题:mysql版本5.7,使用group by 分组查询遇到 Error : Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mysql.course.cname' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 问题起因...