How to remove MySQL root password [closed]

You need to set the password for root@localhost to be blank. There are two ways:

1. The MySQL SET PASSWORD command:

   SET PASSWORD FOR root@localhost=PASSWORD(''); -- MySQL 5.x
   SET PASSWORD FOR root@localhost=""; -- MySQL 8.x
   

2. Using the command-line mysqladmin tool:

   mysqladmin -u root -pType_in_your_current_password_here password ''