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Weather Observation Station 16 URL : https://www.hackerrank.com/challenges/weather-observation-station-16/problem Query the smallest Northern Latitude (LAT_N) from STATION that is greater tha...

Weather Observation Station 15 URL : https://www.hackerrank.com/challenges/weather-observation-station-15/problem Query the Western Longitude (LONG_W) for the largest Northern Latitude (LAT_N...

Weather Observation Station 14 URL : https://www.hackerrank.com/challenges/weather-observation-station-14/problem Query the greatest value of the Northern Latitudes (LAT_N) from STATION that ...

Weather Observation Station 13 URL : https://www.hackerrank.com/challenges/weather-observation-station-13/problem Query the sum of Northern Latitudes (LAT_N) from STATION having values greate...

Weather Observation Station 12 URL : https://www.hackerrank.com/challenges/weather-observation-station-12/problem Query the list of CITY names from STATION that do not start with vowels and d...

Weather Observation Station 11 URL : https://www.hackerrank.com/challenges/weather-observation-station-11/problem Query the list of CITY names from STATION that either do not start with vowel...

Weather Observation Station 10 URL : https://www.hackerrank.com/challenges/weather-observation-station-10/problem Query the list of CITY names from STATION that do not end with vowels. Your r...

Weather Observation Station 1 URL : https://www.hackerrank.com/challenges/weather-observation-station-1/problem Query a list of CITY and STATE from the STATION table. MySQL, Oracle Solution...

Type of Triangle URL : https://www.hackerrank.com/challenges/what-type-of-triangle/problem Write a query identifying the type of each record in the TRIANGLES table using its three side length...

Top Earners URL : https://www.hackerrank.com/challenges/earnings-of-employees/problem We define an employee’s total earnings to be their monthly salary * months worked, and the maximum total ...