Query the two cities in STATION with the shortest and longest CITY names, [closed]

Answer 1

  SELECT * FROM (SELECT city, length(city) 
  FROM station
  WHERE LENGTH(city)=(SELECT MIN(LENGTH(city)) FROM station) ORDER BY city ) 
  WHERE ROWNUM =1;

  SELECT city, LENGTH(city) 
  FROM station  
  WHERE LENGTH(city)=(SELECT MIN(LENGTH(city)) FROM STATION) 
  AND ROWNUM=1
  ORDER BY CITY;