WordPress

UPDATE wp_options SET option_value = replace( option_value, 'http://old.com', 'http://new.coom' ) WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET post_content = replace( post_content, 'http://old.com', 'http://new.coom' ) ;
UPDATE wp_posts SET guid = replace( guid, 'http://old.com', 'http://new.coom' ) ;

UPDATE wp_comments SET comment_content = replace(comment_content, 'http://old.com', 'http://new.coom') ;

UPDATE wp_comments SET comment_author_url = replace(comment_author_url, 'http://old.com', 'http://new.coom');