HackerRank | SQL | Top Competitors (Medium)

#HackerRank​ #SQL​
This video contains the solution to the HackerRank SQL problem Top Performers.
Problem link: www.hackerrank.com/challenges...

[@abdelrhmansayed340]

thx so much

[@harshshukla3457]

Wow ,such an incredible explanation.

[@ahmetyusuf9964]

THANKS

[@tanaykamath1415]

thank you!

[@yiqianshen6526]

Thank you for your video. Could you answer my question? Why couldn't use left join? Appreciate it.

[@anuraman7621]

counting on challenge id makes more sense than counting the hacker id !! logically . Although the results are same

[@datascience9224]

i too applied having count(c.challenge_id)>1

[@andrewreyes6767]

How were you able to copy the schema over from HackerRank to Fiddle?

[@janmeppe]

manually copied it :)