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Weather Observation Station 13 Problem Weather Observation Station 13 | HackerRank Query the sum of Northern Latitudes having values greater than 38.7880 and less than 137.2345, truncated to 4 decimal places. www.hackerrank.com Query the sum of Northern Latitudes (LAT_N) from STATION having values greater than and less than . Truncate your answer to decimal places. SELECT round(SUM(Lat_n),4) FRO..

Weather Observation Station 2 Problem Weather Observation Station 2 | HackerRank Write a query to print the sum of LAT_N and the sum of LONG_W separated by space, rounded to 2 decimal places. www.hackerrank.com Query the following two values from the STATION table: The sum of all values in LAT_N rounded to a scale of decimal places. The sum of all values in LONG_W rounded to a scale of decimal p..

Top Earners Problem Top Earners | HackerRank Find the maximum amount of money earned by any employee, as well as the number of top earners (people who have earned this amount). www.hackerrank.com We define an employee's total earnings to be their monthly salaryXmonths worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table. Write a query to ..

The Blunder Problem The Blunder | HackerRank Query the amount of error in Sam's result, rounded up to the next integer. www.hackerrank.com Samantha was tasked with calculating the average monthly salaries for all employees in the EMPLOYEES table, but did not realize her keyboard's key was broken until after completing the calculation. She wants your help finding the difference between her miscal..

Population Density Difference Problem Population Density Difference | HackerRank Query the difference between the maximum and minimum city populations in CITY. www.hackerrank.com Query the difference between the maximum and minimum populations in CITY. SELECT MAX(population) - MIN(population) FROM city

Japan Population Problem Japan Population | HackerRank Query to the sum of the populations of all Japanese cities in CITY. www.hackerrank.com Query the sum of the populations for all Japanese cities in CITY. The COUNTRYCODE for Japan is JPN. SELECT SUM(population) FROM CITY WHERE countrycode = 'JPN'

Average Population Problem Query the average population for all cities in CITY, rounded down to the nearest integer. SELECT FLOOR(AVG(population)) FROM city

Revising Aggregations - Averages Problem Revising Aggregations - Averages | HackerRank Query the average population of all cities in the District of California. www.hackerrank.com Query the average population of all cities in CITY where District is California. SELECT AVG(population) FROM city WHERE district = 'California'