What should I do if mysql cannot be accessed from the external network?

The solution to the problem that mysql cannot be accessed from the external network: First enter the mysql database and query the user; then execute [update user set host='%' where user ='root';] and execute refresh privileges [flush privileges] .

The operating environment of this tutorial: Windows 7 system, mysql version 8.0.22, DELL G3 computer.

Solution to the problem that mysql cannot be accessed from the external network:

Perhaps sometimes you will access the database of the project through the IP address, but the access fails.

Now I give you a solution:

#进入mysql数据库 USE mysql;

#查询用户 SELECT HOST,USER,PASSWORD FROM USER;

You can see that if user is root and host is localhost,

It means that mysql only allows local connections, then the external network , the local software client cannot connect.

#调整方法： #执行： update user set host='%' where user ='root';

#执行刷新权限： flush privileges;

You can test the external network connection to the mysql server.

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