【MySQL报错1042-Can'tgethostnameforyouraddress】教程文章相关的互联网学习教程文章

mysql数据库使用insert语句插入中文数据报错【代码】【图】

在mysql的命令行模式中,通过insert语句插入中文数据的时候报错,类似于下面这样:Incorrect string value: ‘\xE7\x8F‘ for column ‘name‘ at row 1 造成这个错误通常是由于创建数据表的时候使用了不正确的编码格式,可以使用如下命令查看操作的目标数据表的编码格式。SHOW CREATE TABLE 表名; 通过结果就可以看到目标表的目标字段对应的编码格式,我们只需要把该列的编码格式转化为utf8即可。ALTER TABLE 表名 MODIFY 列名 数...

MySQL5.7报错[ERROR] Unix socket lock file is empty /tmp/mysql.sock.lock的解决方法【图】

[ERROR] Unix socket lock file is empty /tmp/mysql.sock.lock 解决: 查看该文件发现确实是空文件,删除该文件后再启动服务已经可以正常启动。参考链接 https://blog.csdn.net/qq_36183569/article/details/83022519 总结: mysql.sock.lock是可读文本文件,记录了MySQL启动的PID,对应套接字文件mysql.sock.参考链接 https://bbs.csdn.net/topics/392142823 该问题是因磁盘写满导致MySQL宕了,没能正确删除mysql.sock.lock,进而导...

因为曾经装过Mysql导致再次装时windows无法启动MySQL服务报错1067的解决方法【图】

找到这里MySQL右击属性检查这里的可执行文件的路径是否正确,因为我这里显示的是原先的文件夹所以会一直启动失败,修改一下 这里你去百度经验 windows服务修改可执行文件路径 网址https://jingyan.baidu.com/article/5d368d1ef577d43f61c05740.html 问题解决! 因为曾经装过Mysql导致再次装时windows无法启动MySQL服务报错1067的解决方法标签:win exp title width sql article mys png info 本文系统来源:htt...

navicat for mysql 链接时报错:1251-Client does not support authentication protocol requested by serve【代码】【图】

navicat for mysql 链接时报错:1251-Client does not support authentication protocol requested by serve解决方法:mysql> ALTER USER ‘root‘@‘%‘ IDENTIFIED WITH mysql_native_password BY ‘123456‘; mysql> select host,user,plugin,authentication_string from mysql.user; navicat for mysql 链接时报错:1251-Client does not support authentication protocol requested by serve标签:str nat image mys ...

Navicat 连接MySQL数据库 报错2059 - authentication plugin 'caching_sha2_password'的解决办法

use mysql; ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘password‘; Navicat 连接MySQL数据库 报错2059 - authentication plugin caching_sha2_password的解决办法标签:native cat oca 输入 password alt 必须 mysq alter 本文系统来源:https://www.cnblogs.com/liuhappy/p/10455425.html

Navicat连接Docker中的mysql报错:client does not support authentication

docker exec -it mysqltest(mysql容器名称) bash 2.进入mysql数据库 mysql -uroot -p 3.输入mysql密码 4.远程连接授权 mysql> GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘WITH GRANT OPTION; mysql>FLUSH PRIVILEGES; 5.更改加密规则 mysql>ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘password‘ PASSWORD EXPIRE NEVER; 6.更新root用户密码 mysql>ALTER USER ‘root‘@‘%‘ IDENTIFIED WITH mysql_native_password...

mysql 5.7密码报错 ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.【代码】【图】

1、重新修改密码,语句如下:mysql> alter user ‘root‘@‘localhost‘ identified by ‘123‘; Query OK, 0 rows affected (0.00 sec) 2、如果修改过程出现错误(如下),转后面操作:mysql> alter user ‘root‘@‘localhost‘ identified by ‘123‘; ERROR 1819 (HY000): Your password does not satisfy the current policy requirements 2.1、这个其实与validate_password_policy的值有关。validate_password_policy有以下...

Mysql8.0升级后,Navicat连接报错caching_sha2_password 问题【代码】

需要重新配置加密规则 ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘password‘ PASSWORD EXPIRE NEVER;ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘password‘; #更新一下用户的密码 FLUSH PRIVILEGES; #刷新权限 Mysql8.0升级后,Navicat连接报错caching_sha2_password 问题标签:oca cat 需要 配置 用户 加密 权限 MySQL8.0 lte 本文系统来源:https://www.cnblog...

xtrabackup备份MySQL报错:InnoDB: Error number 24 means 'Too many open files'【代码】

00:30:01 >> log scanned up to (88343615848) xtrabackup: Generating a list of tablespaces InnoDB: Allocated tablespace ID 2 for mysql/plugin, old maximum was 0 InnoDB: Operating system error number 24 in a file operation. InnoDB: Error number 24 means ‘Too many open files‘ InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-co...

执行mysql语句报错 Illegal mix of collations……

Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 在数据库执行查找的命令,判断条件含有特殊字符,再执行的时候报了以上错误; 查看字段编码发现是 latin1 字符集的latin1_german1_ci排序规则 修改数据库字段为utf-8编码 再次执行 顺利出现结果 执行mysql语句报错 Illegal mix of collations……标签:implicit opera 条件 for 特殊 mysq 排序规则 语...

MYSQL创建分区时候报错【图】

第一种:ERROR 1064 (42000): Partitioning can not be used stand-alone in query near 不能单独创建分区。创建分区时要创建分区表 解决:分区不能单独创建,在建表的时候就要创建一个分区表。 第二种:ERROR 1564 (HY000): This partition function is not allowed 分区不支持此函数。 解决:目前支持的分区函数有:https://blog.csdn.net/cleanfield/article/details/41011765 第三种:ERROR 1067 (42000): Invalid defaul...

MySQL 设置root密码报错:mysqladmin: connect to server at 'localhost' failed【代码】

-0-6 data]# mysqladmin -uroot password "linux@123" mysqladmin: connect to server at ‘localhost‘ failed error: ‘Access denied for user ‘root‘@‘localhost‘ (using password: NO)‘ 2.停止MySQL服务[root@vm172-31-0-6 ~]# systemctl stop mysqld.service 3 安全模式启动[root@vm172-31-0-6 mysql]# mysqld_safe --skip-grant-tables & [1] 20777 [root@vm172-31-0-6 mysql]# 190315 01:43:28 mysqld_safe Logging...

解决MySQL8.0报错:Unknown system variable 'validate_password_policy'【图】

、在安装MySQL8.0时,修改临时密码,因密码过于简单(如:123456),不符合MySQL密码规范,会触发一个报错信息: ERROR 1819 (HY000): Your password does not satisfy the current policy requirements。 二、遇到问题 1、解决办法调整MySQL密码验证规则,修改 policy 和 length 的值。 2、MySQL 5.7 进行如下设置,即可解决问题: mysql> set global validate_password_policy=0; mysql> set global validate_password...

mysql5.7导入数据提示--secure-file-priv选项报错解决【代码】

系统环境CentOS Linux release 7.4.1708 (Core) mysql 5.7.23错误描述执行数据导入时,出现1290错误: mysql> load data infile ‘/mnt/test/20190220/test_eventHistory_2019022000_2019022023.txt‘ into table event_history_201902(json_str); ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement问题分析简述下错误信息,mysql服务运行时启用了--secur...

Navicat连接MySQL报错2059 - authentication plugin caching_sha2_password”

USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘654321‘ PASSWORD EXPIRE NEVER; #修改加密规则 ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘654321‘; #更新一下用户的密码 FLUSH PRIVILEGES; #刷新权限   原因:mysql8 之前的版本中加密规则是mysql_native_password,而在mysql8之后,加密规则是caching_sha2_password, 解决问题方法有两种,一种是升级navicat驱动,一种是把mysql用户登录密...