出现问题: Error querying database.  Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: In aggregated query without GROUP BY,expression #2 of SELECT list contains nonaggregated column 'pay.t.type'; this is incompatible with sql_mode=only_fu…

mysql5.7执行sql语句报错:In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'yunva_changke.u.user_id'; this is incompatible with sql_mode=only_full_group_by 1.方法1,需要重启mysql服务 编辑/etc/my.cnf文件,加入如下参数,重启mysql sql_m…

前段时间做sql注入的时候  使用group_concat时,出现标题上的错误.经查阅一位大佬的博客,成功解决!故写此博文! 当mysql的sql_mode是only_full_group_by的时候,在不使用group by 并且select后面出现聚集函数的话,那么所有被select的都应该是聚集函数,否则就会报错! tips:在select指定的字段要么就要包含在group By语句的后面,作为分组的依据:要么就要被包含在聚合函数中.…

Mysql错误:Ignoring query to other database解决方法 今天登陆mysql show databases出现Ignoring query to other database错误,又试了几个命令和sql全部提示Ignoring query to other database错误 错误如下: D:\Program Files\MySQL\MySQL Server 5.6\bin>mysql -rootWelcome to the MySQL monitor.  Co…

Linux下mysql 报Packet for query is too large (1040 > 1024)错误的解决方法 项目之前一直正常运行,这几天突然一直提示查询出错,看了下日志发现提示Packet for query is too large (1040 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.错误.百度了解决方法,记录下解决过程. 1.…

问题: 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'cmp-31161029.t1.user_name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by,…

运行环境:PHP 5.5.30-x64,MYSQL  5.6.27 错误代码:Cannot execute queries while other unbuffered queries are active.  Consider using PDOStatement::fetchAll().  Alternatively, if your code is only ever going to run against mysql, you may enable query buffering by…

PHP开发者常犯的MySQL错误   数据库是WEB大多数应用开发的基础.如果你是用PHP,那么大多数据库用的是MYSQL也是LAMP架构的重要部分. PHP看起来很简单,一个初学者也可以几个小时内就能开始写函数了.但是建立一个稳定.可靠的数据库确需要时间和经验.下面就是一些这样的经验,不仅仅是MYSQL,其他数据库也一样可以参考. 1.使用MyISAM而不是InnoDB MySQL有很多的数据库引擎,单一般也就用MyISAM和InnoDB. MyISAM是默认使用的.但是除非你是建立一个非常简…

本文为大家讲解的是mysql错误:The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement解决方法,感兴趣的同学参考下. 错误描述: mysql> grant all on cactidb.* to dbuser@'localhost' identified by '123'; ERROR 1290 (HY000): The MySQL server is…

mybatis查询mysql,group by分组查询报错:Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column mysql版本是5.7 1.导致出错的sql语句是: <select id="findScNumByTime" parameterType="com.pisen.cloud.luna.ms.security.code.api.beans…