Change Wordpress FQDN via sql
UPDATE wp_options
SET option_value = replace(option_value, 'http://oldurl.com', 'http://newurl.com')
WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts
SET guid = replace(guid, 'http://oldurl.com', 'http://newurl.com');
UPDATE wp_posts
SET post_content = replace(post_content, 'http://oldurl.com', 'http://newurl.com');
UPDATE wp_postmeta
SET meta_value = replace(meta_value,'http://oldurl.com', 'http://newurl.com');