HR-SQL The Report

1 개요

HR-SQL The Report

• https://www.hackerrank.com/challenges/the-report/problem

해커랭크 SQL

문제	DB2	MS SQL	MySQL	Oracle
HR-SQL Basic Join e
HR-SQL Asian Population
HR-SQL African Cities
HR-SQL Average Population of Each Continent
HR-SQL The Report
HR-SQL Top Competitors
HR-SQL Ollivander's Inventory
HR-SQL Challenges
HR-SQL Contest Leaderboard

2 MySQL

SELECT
    CASE WHEN Grade<8 THEN NULL ELSE Name END,
    Grade, Marks
FROM Students AS S
JOIN Grades AS G ON (S.Marks BETWEEN G.Min_Mark AND Max_Mark)
ORDER BY Grade DESC, Name