如何用sqlyog实现远程连接mysql
1，sqlyog客户端，用root用户远程链接mysql时，提示“访问被拒绝”怎么解决呢？
原表数据
mysql> use mysql
mysql> select Host,User,Password from user
;
+---------------+---------+-------------------------------------------+
|
Host | User | Password
|
+---------------+---------+-------------------------------------------+
|
localhost | root | *DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| www | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| 127.0.0.1 | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| ::1 | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
创建一个新用户
格式：grant 权限 on 数据库名.表名 to 用户@登录主机 identified by "用户密码";
grant select,update,insert,delete on *.* to komiles@123.4.56.89 identified by "komiles1234";
执行完上面语句后，再执行
mysql> select Host,User,Password from user
;
+---------------+---------+-------------------------------------------+
|
Host | User | Password
|
+---------------+---------+-------------------------------------------+
|
localhost | root | *DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| www | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| 127.0.0.1 | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| ::1 | root |
*DEA65ABECC50A1FEBD9C0D0D9045E0DDB312F38F |
| 123.4.56.89 | komiles |
*50663F1ECEAB844897BC272EC1AE7E83F442F649
|
+---------------+---------+-------------------------------------------+
此时，就可以用你刚才创建的用户进行远程访问了。
2、实现远程连接(授权法)
将host字段的值改为%就表示在任何客户端机器上能以root用户登录到mysql服务器，建议在开发时设为%。
将权限改为ALL PRIVILEGES
mysql> use mysql;
Database changed
mysql> grant all privileges on *.* to root@‘%‘ identified by "root";
Query OK, 0 rows affected (0.00 sec)mysql> select host,user,password from user;
+--------------+------+-------------------------------------------+
| host | user | password |
+--------------+------+-------------------------------------------+
| localhost | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
| 192.168.1.12 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
| % | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
+--------------+------+-------------------------------------------+
3 rows in set (0.00 sec)
这样机器就可以以用户名root密码root远程访问该机器上的MySql.
3、实现远程连接（改表法）
use mysql;
update user set host = ‘%‘ where user = ‘root‘;
这样在远端就可以通过root用户访问Mysql.
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