changinh user name and password to mysql server

hi guys!
I installed wampserver on my pc- includes php,mysql,apache . How do I change my username and password on the mysqlserver instead of the deafault's one?

thanx a lot
progfrog

 

If you have mysql command line access or a phpmyadmin sql prompt:

USE mysql;
UPDATE user SET Password = PASSWORD('newpassword') WHERE User = 'username';