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목록분류 전체보기 (112)
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African Cities Problem African Cities | HackerRank Query the names of all cities on the continent 'Africa'. www.hackerrank.com Given the CITY and COUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'. Note: CITY.CountryCode and COUNTRY.Code are matching key columns. SELECT City.Name FROM City LEFT JOIN Country ON City.Countrycode = Country.Code WHERE Country.Continent = '..
Asian Population Problem Asian Population | HackerRank Query the sum of the populations of all cities on the continent 'Asia'. www.hackerrank.com Given the CITY and COUNTRY tables, query the sum of the populations of all cities where the CONTINENT is 'Asia'. Note: CITY.CountryCode and COUNTRY.Code are matching key columns. SELECT Sum(City.population) FROM City LEFT JOIN Country ON City.CountryCo..
Weather Observation Station 17 Problem Weather Observation Station 17 | HackerRank Query the Western Longitude for the smallest value of the Northern Latitudes greater than 38.7780 in STATION and round to 4 decimal places. www.hackerrank.com Query the Western Longitude (LONG_W)where the smallest Northern Latitude (LAT_N) in STATION is greater than . Round your answer to decimal places. SELECT RO..
Weather Observation Station 16 Problem Weather Observation Station 16 | HackerRank Query the smallest of STATION's Northern Latitudes that is greater than 38.7780, and round to 4 decimal places www.hackerrank.com Query the smallest Northern Latitude (LAT_N) from STATION that is greater than . Round your answer to decimal places. SELECT ROUND(MIN(LAT_N),4) FROM STATION WHERE LAT_N > 38.7780
Weather Observation Station 15 Problem Weather Observation Station 15 | HackerRank Query the Western Longitude for the largest Northern Latitude under 137.2345, rounded to 4 decimal places. www.hackerrank.com Query the Western Longitude (LONG_W) for the largest Northern Latitude (LAT_N) in STATION that is less than . Round your answer to decimal places. SELECT ROUND(LONG_W,4) FROM STATION WHERE ..
Weather Observation Station 14 Problem Weather Observation Station 14 | HackerRank Query the greatest value of the Northern Latitudes from STATION that are under 137.2345 and truncated to 4 decimal places. www.hackerrank.com Query the greatest value of the Northern Latitudes (LAT_N) from STATION that is less than . Truncate your answer to decimal places. SELECT TRUNCATE(MAX(LAT_N), 4) FROM STATI..
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..