The following challenges all revolve around simple SELECT statements that make use of SELECT, FROM, WHERE, and ORDER BY. The WHERE clauses will use and three basic boolean operators as well as some of ...

This repository contains solutions to various SQL challenges from HackerRank. It includes solutions to 25 questions in the SQL (Basic)/(Intermediate) Select Skill in the Easy and Medium Difficulty ...

SELECT a.roll_number,a.name FROM student_information a INNER JOIN examination_marks b ON a.roll_number = b.roll_number GROUP BY b.roll_number HAVING SUM(b.subject_one + b.subject_two + b.subject_three ...