SQL query for finding the longest name and shortest name in a table

Question

I have a table with one of the columns is of type varchar(city). and want to find the longest and shortest of values stored in that column.

select a.city, a.city         


        

Answer 1

In Oracle it would be,

SELECT CITY,LENGTH(CITY) FROM   (SELECT MIN(CITY) CITY  FROM STATION WHERE LENGTH(CITY)=(SELECT MIN(LENGTH(CITY)) FROM STATION))
UNION ALL
SELECT CITY,LENGTH(CITY) FROM   (SELECT MAX(CITY) CITY  FROM STATION WHERE LENGTH(CITY)=(SELECT MAX(LENGTH(CITY)) FROM STATION));