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  • 解决Navicat连接MySQL总是报错1251的方法

    今天下了个 MySQL8.0,发现Navicat连接不上,总是报错1251;

    原因是MySQL8.0版本的加密方式和MySQL5.0的不一样,连接会报错。

    试了很多种方法,终于找到一种可以实现的:

      更改加密方式

    1.先通过命令行进入mysql的root账户:
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    PS C:Windowssystem32> mysql -uroot -p

    再输入root的密码:

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    Enter password: ******
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 18
    Server version: 8.0.11 MySQL Community Server - GPL
    Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
    Oracle is a registered trademark of Oracle Corporation and/or its
    affiliates. Other names may be trademarks of their respective
    owners.
    Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
    mysql>

    2.更改加密方式:

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    mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
    Query OK, 0 rows affected (0.10 sec)

    3.更改密码:

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    mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
    Query OK, 0 rows affected (0.35 sec)

    4.刷新:

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    mysql> FLUSH PRIVILEGES;
    Query OK, 0 rows affected (0.28 sec)

    // 如果报错ERROR 1396 (HY000): Operation ALTER USER failed for 'root'@'%':

    则是远程访问权限不正确,先选择数据库,查看一下再更改:

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    mysql> use mysql;
    Database changed
     
    mysql> select user,host from user;
    +------------------+-----------+
    | user             | host      |
    +------------------+-----------+
    | mysql.infoschema | localhost |
    | mysql.session    | localhost |
    | mysql.sys        | localhost |
    | root             | localhost |
    +------------------+-----------+
    5 rows in set (0.00 sec)
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  • 原文地址:https://www.cnblogs.com/ios9/p/9713461.html
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