Update single-row-from-join.sql

Author: ykxvqze

sql-queries-11/single-row-from-join/single-row-from-join.sql

@@ -1,11 +1,14 @@
-SELECT countries.country_id, country_name, city_id, city_name, population FROM countries
-	 JOIN cities ON countries.country_id = cities.country_id;
+SELECT countries.country_id, country_name, city_id, city_name, population
+FROM countries
+JOIN cities ON countries.country_id = cities.country_id;
 
 SELECT DISTINCT ON(countries.country_id) 
-	countries.country_id, country_name, city_id, city_name, population FROM countries
-	 JOIN cities ON countries.country_id = cities.country_id;
+    countries.country_id, country_name, city_id, city_name, population
+FROM countries
+JOIN cities ON countries.country_id = cities.country_id;
 
 SELECT DISTINCT ON(countries.country_id) 
-	countries.country_id, country_name, city_id, city_name, population FROM countries
-	 JOIN cities ON countries.country_id = cities.country_id
-	ORDER BY countries.country_id, population DESC;
+    countries.country_id, country_name, city_id, city_name, population
+FROM countries
+JOIN cities ON countries.country_id = cities.country_id
+ORDER BY countries.country_id, population DESC;