GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'; ERROR 1045 (28000): Access denied for user 'root'@'%' (using password: YES)

这个问题是关于在MySQL中授予特定权限时出现的错误。根据引用，错误代码"ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)"表示由于访问被拒绝，无法使用给定的用户名和密码连接到MySQL服务器。引用提到了一个可能的解决方法，即使用命令"mysql> use mysql;"切换到mysql数据库，然后再尝试授权操作。引用展示了一个授予root用户显示所有数据库权限的示例命令。根据错误提示"ERROR 1045 (28000): Access denied for user 'root'@'%'"，可能是由于root用户在连接时的访问限制导致的。您可以尝试使用更具体的主机名或IP地址，而不是使用"%"(通配符)来指定允许访问的主机。例如，可以尝试使用命令"GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY 'your_password' WITH GRANT OPTION;"来授予root用户在本地主机上的所有权限。
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