查询数据时报Syntax error or access violation: 1055 Expression #1 of SELECT list is not 错误解决

本文转载自查看原文 2021-05-11 11:35 1622

错误原因：

这个错误发生在mysql 5.7 版本及以上版本会出现的问题,在mysql5.7版本默认的sql配置是:sql_mode="ONLY_FULL_GROUP_BY"，这个配置严格执行了"SQL92标准"，很多从5.6升级到5.7时，为了语法兼容，大部分都会选择调整sql_mode，使其保持跟5.6一致，为了尽量兼容程序

解决方法：

找到数据库配置文件windows中my.ini文件或linux中的my.cnf文件，在mysqld中增加sql_mode=

[mysqld]
sql_mode=

修改之后重新启动mysql即可

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