How to update site URL or home URL without phpmyadmin page access?

Update via wp-config.php

define('WP_HOME',      'http://www.example.local');
define('WP_SITEURL',   'http://www.example.local');

Update via functions.php

update_option('siteurl','http://www.example.local');
update_option('home','http://www.example.local');