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목록Contest Leaderboard (1)
HAZEL
[서브쿼리] hackerrank : Contest Leaderboard
>> 문제 You did such a great job helping Julia with her last coding contest challenge that she wants you to work on this one, too! The total score of a hacker is the sum of their maximum scores for all of the challenges. Write a query to print the hacker_id, name, and total score of the hackers ordered by the descending score. If more than one hacker achieved the same total score, then sort the re..
DATA ANALYSIS/SQL
2021. 11. 17. 23:51