how to change username and password for wordpress in the database code example
Example: wordpress change user password sql
UPDATE `wp_users` SET `user_pass` = MD5( 'new_password' ) WHERE `wp_users`.`user_login` = "admin_username";
UPDATE `wp_users` SET `user_pass` = MD5( 'new_password' ) WHERE `wp_users`.`user_login` = "admin_username";