Two methods for MySQL to open remote connection permission

background ：

An evaluation system is required , Because I have been done a small part before , There's a database out there （ database ：MySQL 5.7 , Database software ：MySQL workbench 6.3 CE）, In order to save the trouble of installing database export and import tables , You want to connect to the other party's database directly and remotely .

The method is as follows ：

First , Check whether the firewall of the server to connect to the database is closed , Check whether the connection with the server is smooth （ Method ： stay cmd Console Input ping ip Address ）

Secondly, there are two ways to search through the Internet ：1, Modified table method .

Maybe your account doesn't allow remote login , Only in localhost. At this time, as long as localhost The computer of , Log in mysql after , change "mysql" In the database "user" Exterior and interior "host" term , from "localhost" rename "%" 

　　mysql -u root -pvmwaremysql>use mysql; 　　mysql>update user set host = '%' where user = 'root'; 　　mysql>select host, user from user;2, The law of authorization . 

In the installation mysql Running on the machine ： 

　1、d:\mysql\bin\>mysql -h localhost -u root 

　　// This should allow access to MySQL The server  

　2、mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION 

　　// Give any host access to data  

　3、mysql>FLUSH PRIVILEGES 

　　// The amendment takes effect  

　4、mysql>EXIT 

　　// sign out MySQL The server  

　　 This allows you to run on any other host with root I'm logged in .

You can't test either method by yourself , It's strange , So I tested myself ：

find MySQL File location of , stay cmd Input in cd mysql.exe File location of （ Generally in MySQL Installation directory bin Under the document ）

Input mysql -u root -p Enter the login password to login MySQL

  stay MySQL Input directly in GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION , It will appear as follows

This is because there is no semicolon in English .

Try typing a statement with a semicolon ：

Prompt no rows found .

I decided to use the first method first , The code according to the first method , Input ：

mysql -u root -p // This is login. mysql>use mysql; //　　mysql>update user set host = '%' where user = 'root'; //　　mysql>select host, user from user; //

The results are shown in the following figure

Connect remote MySQL, Still not connected , So try the second way

Input ：

d:\mysql\bin\>mysql -h localhost -u root mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION; mysql>FLUSH PRIVILEGES; mysql>EXIT;

Be sure to end here with a semicolon ！！！

The results are shown in the following figure

At this time, there is no above ERROR 1133 Wrong. , After testing , You can already connect to the remote server .

The general implementation steps are as follows ：

Reference article ：

http://www.cnblogs.com/ycsfwhh/archive/2012/08/07/2626597.html

http://zhidao.baidu.com/link?url=knBlHE7vm912Lr_1c1OKlL_OYoyuuYQrRo4zLHbBYytBsjAP1VRCJFtZAOkBMMzDm_2kk69UlrE4RDdMwUO6X6SfFjRYKoUTMYnVPZrIvvm

summary

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