mysql> show databases; ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

这个错误是由于在执行mysql> show databases;命令之前，需要先通过使用ALTER USER语句来重置密码。你可以按照以下步骤来解决这个问题：

1. 打开MySQL命令行客户端，并使用管理员权限登录。

2. 使用如下命令修改root用户的密码：

   mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'your_password';

其中，'your_password'是你想要设置的新密码。请确保密码足够强大和安全。

3. 修改完密码后，重新执行show databases;命令：

   mysql> SHOW DATABASES;

现在你应该能够成功获取到数据库列表了。

通过以上步骤，你应该能够解决该错误并正常执行show databases;命令。 <span class="em">1</span><span class="em">2</span><span class="em">3</span>
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