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

select city,length(city) from (select city,length(city),rank() over(partition by length(city) order by length(city),city asc) as rnk from station)a where a.rnk=1;