default password for root in mysql code example

Example 1: mysql set root password

use mysql;

update user set authentication_string=PASSWORD("mynewpassword") where User='root';

flush privileges;

quit

Example 2: default password of mysql

mysqladmin -u root password NEWPASSWORD

Example 3: ubuntu mysql-server default root password

sudo mysql --defaults-file=/etc/mysql/debian.cnf

Example 4: default password of mysql

mysql_secure_connection