Mysql user new, authorize, delete, password modify _mysql at win command prompt

First of all to declare: Under normal circumstances, to modify the MySQL password, authorization, is required to have the root of MySQL permissions.
Note: This operation is at the win command prompt, phpMyAdmin is also applicable.
User: Phplamp user database: phplampdb

1. New User

Login to MySQL
@>mysql-u root-p
@> Password
Create a user
mysql> INSERT INTO Mysql.user (Host,user,password) VALUES ("localhost", "Phplamp", Password ("1234"));
Refresh System Permission Table
Mysql>flush privileges;
This creates a user named: phplamp Password: 1234.
Then log in.
mysql>exit;
@>mysql-u phplamp-p
@> Enter password
Mysql> Login Successful

2. Authorize the user

If you want to allow the user to connect to the MySQL server from the IP-192.168.1.6 host, and use MyPassword as the password myuser

Grantall privileges on *.* to ' myuser ' @ ' 192.168.1.3 ' identified by ' MyPassword ' withgrant OPTION;

FLUSH privileges;

3. Delete User

@>mysql-u root-p
@> Password
Mysql>delete from user WHERE user= "phplamp" and host= "localhost";
Mysql>flush privileges;
Delete a user's database
Mysql>drop database phplampdb;

4. Modify the specified user password

@>mysql-u root-p
@> Password
Mysql>update Mysql.user Set Password=password (' New password ') where user= "Phplamp" and host= "localhost";
Mysql>flush privileges;