Problem : https://www.hackerrank.com/challenges/weather-observation-station-4/problem
Solution :
/*
Enter your query here.
*/
SELECT COUNT(CITY) - COUNT(DISTINCT(CITY)) FROM STATION;
Showing posts with label Weather Observation Station 4 hackerrank solution. Show all posts
Showing posts with label Weather Observation Station 4 hackerrank solution. Show all posts
Friday, March 5, 2021
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