📢 본 포스팅에 활용되는 기본 문제 및 자료 출처는 해커랭크 Prepare / https://www.hackerrank.com/dashboard 임을 밝힙니다. ■ 문제 https://www.hackerrank.com/challenges/the-report/problem?h_r=internal-search The Report | HackerRank Write a query to generate a report containing three columns: Name, Grade and Mark. www.hackerrank.com You are given two tables: Students and Grades. Students contains three columns ID, Name and Marks. G..
