[HackerRank](E) Higher Than 75 Marks

https://www.hackerrank.com/challenges/more-than-75-marks/problem?isFullScreen=true 

Higher Than 75 Marks | HackerRank

 

[문제]

Query the Name of any student in STUDENTS who scored higher than  Marks. Order your output by the last three characters of each name. If two or more students both have names ending in the same last three characters (i.e.: Bobby, Robby, etc.), secondary sort them by ascending ID.

Input Format

The STUDENTS table is described as follows:

The Name column only contains uppercase (A-Z) and lowercase (a-z) letters.

 

[답]

- mysql

select name from students
where marks > 75
order by right(name,3), id;

 

marks가 75점이 넘는 학생들의 이름만 조회하는 쿼리이다.

이 때, 끝에서 3번째있는 문자열로 오름 차순 정렬을 하고, 만약 이게 같으면 id로 오름차순 정렬을 하는 쿼리이므로 위와 같이 작성하였다.