UPDATE wp_options SET option_value = replace( option_value, 'http://www.domain.org', 'http://www.newdomain.org' ) WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET post_content = replace( post_content, 'http://www.domain.org', 'http://www.newdomain.org' ) ;
UPDATE wp_posts SET guid = replace( guid, 'http://www.domain.org', 'http://www.newdomain.org' ) ;
^_^