[SQL문제풀기 - Advent of SQL 2025 🎅] 펭귄의 종과 몸무게 조회하기

문제

solvesql.com

https://solvesql.com/problems/species-and-mass-of-penguins/

MySQL, SQLite, PostgreSQL

내가 작성한 정답

select species, body_mass_g
from penguins
where species is not null 
    and body_mass_g is not null
order by 2 desc, 1;