목록MySQL (43)

Milky's note

[HackerRank](E) Average Population of Each Continent

https://www.hackerrank.com/challenges/average-population-of-each-continent/problem?isFullScreen=true&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen Average Population of Each Continent | HackerRank Query the names of all continents and their respective city populations, rounded down to the nearest integer. www.hackerrank.com [문제] Given the CITY and COUNTRY tables, query the names of all t..
SQL/SQL 코딩 테스트-HackerRank 2022. 3. 25. 23:06
[HackerRank](E) African Cities

https://www.hackerrank.com/challenges/african-cities/problem?isFullScreen=true&h_r=next-challenge&h_v=zen African Cities | HackerRank Query the names of all cities on the continent 'Africa'. www.hackerrank.com [문제] 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. Input Format The CI..
SQL/SQL 코딩 테스트-HackerRank 2022. 3. 25. 22:42
[HackerRank](E) Population Census

https://www.hackerrank.com/challenges/asian-population/problem?isFullScreen=true Population Census | HackerRank Query the sum of the populations of all cities on the continent 'Asia'. www.hackerrank.com [문제] 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. Input Forma..
SQL/SQL 코딩 테스트-HackerRank 2022. 3. 25. 22:37
[HackerRank](E) Weather Observation Station 17

https://www.hackerrank.com/challenges/weather-observation-station-17/problem?isFullScreen=true&h_r=next-challenge&h_v=zen 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 [문제] Query the Western Longitude (LONG_W)where the smallest Northern Lati..
SQL/SQL 코딩 테스트-HackerRank 2022. 3. 25. 17:48
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