MySQL - SELECT the name that comes first alphabetically

Question

I have started to learn MySQL.

Here is the table world:

+-------------+-----------+---------+
|    name     | continent |  area   |
+--         


        

Answer 1

SELECT  distinct x.continent , x.name
FROM world x ,world y 
WHERE x.name = (SELECT y.name FROM world y
 WHERE y.continent=x.continent order by y.name asc limit 1 ) ;