You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND sn.region = r.element_ID AND r.landid = c.element_ID' at line 1 Query: SELECT c.land FROM skigebietnamen sn, laender_e c, regionen r, skigebiete_e s WHERE sn.element_ID =  AND sn.region = r.element_ID AND r.landid = c.element_ID