Weather Observation Station 9 | Basic Select | SQL | HackerRank | Solution

Problem : https://www.hackerrank.com/challenges/weather-observation-station-9/problem

Solution :

/*

Enter your query here.

*/

SELECT DISTINCT CITY FROM STATION WHERE LEFT(CITY,1) NOT IN ('a','e','i','o','u');

Weather Observation Station 5 | SQL | Basic Select | HackerRank | Solution

 

Problem : https://www.hackerrank.com/challenges/weather-observation-station-5/problem

Solution :

/*

Enter your query here.

*/

(

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, CITY LIMIT 1

);

Japanese Cities' Names | Hackerrank | Basic Select | SQL | Solution

 

Problem : https://www.hackerrank.com/challenges/japanese-cities-name/problem

Solution : 

SELECT NAME FROM CITY WHERE COUNTRYCODE = "JPN";