What modification does this query need that if either total_score or questions_answered have a value of "NULL" that it will be changed to 0 ("ZERO") Ron SELECT SUM(`my_Bible_trivia_knowledge_questions_answered`.`score`) AS total_score, `my_Bible_trivia_knowledge_profile`.`questions_answered` FROM `my_Bible_trivia_knowledge_questions_answered` INNER JOIN `my_Bible_trivia_knowledge_profile` ON `my_Bible_trivia_knowledge_questions_answered`.`my_Bible_trivia_knowledge_profile_reference` = `my_Bible_trivia_knowledge_profile`.`reference` WHERE `my_Bible_trivia_knowledge_profile`.`ip_address` = '$ip_address' -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php