{ http://g-lts.info/ } SELECT * FROM ENIKIAZOMENA; SELECT KODIKOS_AUTOKINITOU FROM AUTOKINITA WHERE KODIKOS_AUTOKINITOU NOT IN ( SELECT KODIKOS_AUTOKINITOU FROM ENIKIAZOMENA ); SELECT KODIKOS_AUTOKINITOU,COUNT(*) FROM ENIKIAZOMENA GROUP BY KODIKOS_AUTOKINITOU HAVING COUNT(*) >= ALL (SELECT COUNT(*) FROM ENIKIAZOMENA GROUP BY KODIKOS_AUTOKINITOU); SELECT * FROM PELATES WHERE KODIKOS_PELATI = ( SELECT KODIKOS_PELATI FROM ENIKIAZOMENA WHERE POSO_PLIROMIS = ( SELECT MAX(POSO_PLIROMIS) FROM ENIKIAZOMENA ) ) ; { http://g-lts.info/ }