go to C:\wamp64\apps\phpmyadmin5.1.1\config.inc.php

// change this

$cfg['Servers'][$i]['user'] = 'root';

$cfg['Servers'][$i]['password'] = '1234';

$cfg['Servers'][$i]['AllowNoPassword'] = true;

​

// in MariaDB part change this

$cfg['Servers'][$i]['AllowNoPassword'] = false;

​

Now change SQL and add username = root without password

​