Welcome to my repository of SQL solutions for all the challenges on HackerRank. This repository contains a comprehensive set of SQL queries for every problem I've solved on the platform, categorized ...

Samantha interviews many candidates from different colleges using coding challenges and contests. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

Java, Python, SQL, C++, and JavaScript programming skills are most in demand in the workplace, says the HackerRank developer skills report. When it comes to the programming language skills employers ...