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

For shortest name of city :

SELECT ST.CITY,LENGTH(ST.CITY) AS LENGTH FROM STATION ST
ORDER BY LENGTH ASC, ST.CITY ASC
LIMIT 1;

For longest name of city :

SELECT ST.CITY,LENGTH(ST.CITY) AS LENGTH FROM STATION ST
ORDER BY LENGTH DESC, ST.CITY DESC
LIMIT 1;