mysql远程无法登陆解决办法_MySQL

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Release: 2016-06-01 12:59:02
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GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

ALL PRIVILEGES表示所有的权限

myuser表示你要新增的mysql用户

%表示可以从所有的ip地址访问这个mysql数据库,也可以指定ip地址,比如root的默认ip地址是localhost和127.0.0.1.

所以root默认只能在mysql的安装机子上连接。

mypassword表示你要新增的用户的密码

例子:

假如现在我的mysql是安装在118.114.245.44上面

GRANT ALL PRIVILEGES ON *.* TO 'dade'@'118.114.245.55'IDENTIFIED BY '123456' WITH GRANT OPTION;

那么只有在118.114.245.55这个机子上才可以通过

用户名:dade

密码:123456

url:118.114.245.44

来访问数据库,及时在数据库的安装机子118.114.245.44也是不可以访问数据库的。

同理,默认的root用户是这样创建的:

GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost'IDENTIFIED BY 'root' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'root'@'127.0.0.1'IDENTIFIED BY 'root' WITH GRANT OPTION;

所以只能通过本机的localhost和127.0.0.1才可以访问数据库!

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