Kann Abfrage nicht ausführen: SELECT personID as ID, living, private, concat(lastname,' ',firstname) as Name, birthdate, birthdatetr, INTERVAL (YEAR(CURRENT_DATE)-YEAR(birthdatetr)+IF(DATE_FORMAT(CURRENT_DATE, "%m%d") > DATE_FORMAT(birthdatetr, "%m%d"), 1, 0)) YEAR FROM tng_people LIMIT 50