[MySQL][Practice] 이제 놀만큼 놀았으니 다시 공부해봅시다!

Table - sparta_students

id	name	track	grade	enrollment_year
1	르탄이	Node.js	A	2023
2	배캠이	Spring	B	2022
3	구구이	Unity	C	2021
4	이션이	Node.js	B	2022

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13.sparta_students 테이블에서 모든 학생의 이름(name)과 트랙(track)을 선택하는 쿼리를 작성해주세요!

select name, track
from sparta_students

14.sparta_students 테이블에서 Unity 트랙 소속이 아닌 학생들을 선택하는 쿼리를 작성해주세요!

select *
from sparta_students
where not track = 'Unity'

15.sparta_students 테이블에서 입학년도(enrollment_year)가 2021년인 학생과 2023년인 학생을 선택하는 쿼리를 작성해주세요!

select *
from sparta_students
where enrollment_year = 2021 OR enrollment_year = 2023

16.sparta_students 테이블에서 Node.js 트랙 소속이고 학점이 ‘A’인 학생의 입학년도를 선택하는 쿼리를 작성해주세요!

select enrollment_year
from sparta_students
where track = 'Node.js' AND grade = 'A'

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