SELECT name_long "Длинное имя", name_short "Сокращённое" , from_date, ubu_ubu_id, bun_bun_id, str_str_id, from_date, to_date
FROM O_USE_BASE_UNITS
WHERE (TO_CHAR(from_date,'YY')) = '16' AND (TO_CHAR(to_date,'YY')) = '50';