How does Mysql set a user-specified IP address to operate the database?

Mysql method to set the user-specified IP address to operate the database: use the grant function, the syntax is [grant priv_type on mysql.user to 'user'@'host' identified by 'password' with].

Mysql method of setting user-specified IP address to operate the database:

Syntax:

grant priv_type on mysql.user to 'user'@'host' identified by 'password' with grant option;

• priv_type: represents the permission allowed to operate the database

• user: represents the database user name

• host: represents the IP address

• password: represents the password set

刷新user权限表:flush privileges;

3. Case

1. Set all databases, all tables, any IP You can connect to the database, authorize the username ping and set the password to 123456

grant all on *.* to 'ping'@'%' identified by '123456';
flush privileges;

2. The authorization table cloud record modification permission gives the connection IP address is 192.168.100.1 and the username is ping and the password is 123456

grant update(name,sex) on cloud to 'ping'@'192.168.100.1' identified by '123456';
flush privileges;

4. View the database permission table

mysql> select * from mysql.user where host='localhost'\G;
*************************** 1. row ***************************
                 Host: localhost
                 User:
             Password:
          Select_priv: N
          Insert_priv: N
          Update_priv: N
          Delete_priv: N
          Create_priv: N
            Drop_priv: N
          Reload_priv: N
        Shutdown_priv: N
         Process_priv: N
            File_priv: N
           Grant_priv: N
      References_priv: N
           Index_priv: N
           Alter_priv: N
         Show_db_priv: N
           Super_priv: N
Create_tmp_table_priv: N
     Lock_tables_priv: N
         Execute_priv: N
      Repl_slave_priv: N
     Repl_client_priv: N
     Create_view_priv: N
       Show_view_priv: N
  Create_routine_priv: N
   Alter_routine_priv: N
     Create_user_priv: N
           Event_priv: N
         Trigger_priv: N
             ssl_type:
           ssl_cipher:
          x509_issuer:
         x509_subject:
        max_questions: 0
          max_updates: 0
      max_connections: 0
 max_user_connections: 0

More related free learning recommendations: mysql tutorial (video)

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