requête SQL (Simple)

Question

Je voudrais savoir comment un retour le nombre de chansons encore membre chaque année en fonction de ce tableau:

Musics={MusicID, SingerID, Recorder, YearOfRecord} 
MusicID as PK 

Merci pour l'attention

Answer 1

Eh bien, la requête correcte serait:

SELECT YearOfRecord, Count(MusicID) as NumberOfSongs 
FROM Musics 
GROUP BY YearOfRecord 
ORDER BY YearOfRecord 

Answer 2

SELECT Count(MusicID) 
FROM Musics 
GROUP BY YearOfRecord 

Cette requête doit travailler

Answer 3

Select YearOfRecord, COUNT(MusicID) AS NumberOFSongs 
    FROM Musics GROUP BY YearOfRecord 

Answer 4

SELECT 
    COUNT(*) AS NumberOfSongs, 
    YearOfRecord 
FROM 
    Musics 
GROUP BY 
    YearOfRecord 
ORDER BY 
    YearOfRecord 

Answer 5

select count(*), YearOfRecord 
from Musics 
group by YearOfRecord