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

length(CITY) will return the length of the string,

https://www.w3schools.com/sql/func_mysql_length.asp

(select CITY, length(CITY) from STATION order by length(CITY),CITY limit 1)
UNION
(select CITY, length(CITY) from STATION order by length(CITY) DESC limit 1);