define('WP_SITEURL', 'http://www.NEW-DOMAIN.com');

define('WP_HOME', 'http://www.NEW-DOMAIN.com');

UPDATE wp_options SET option_value = replace(option_value, 'http://www.old-domain.com', 'http://www.new-domain.com') WHERE option_name = 'home' OR option_name = 'siteurl';

UPDATE wp_posts SET guid = replace(guid, 'http://www.old-domain.com','http://www.new-domain.com');

UPDATE wp_posts SET post_content = replace(post_content, 'http://www.old-url.com', 'http://www.new-url.com');