Answers for "how to update mysql password"

mysql change user password

ALTER USER 'user-name'@'localhost' IDENTIFIED BY 'NEW_USER_PASSWORD';FLUSH PRIVILEGES;

mysql change user password

SET PASSWORD FOR 'user-name'@'localhost' = PASSWORD('NEW_USER_PASSWORD');FLUSH PRIVILEGES;

mysql change password

UPDATE mysql.user SET authentication_string=PASSWORD("rootpass") WHERE User='root';