Contest-leaderboard problem — SQL Hacker Rank
Share

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…

 

 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…Continue reading on Medium » Read More Sql on Medium 

#sql

By