SQLite选择专辑号码

Question

我想选择具有专辑号码的唯一艺人。

在MusicLibrary表格中，保存了各首歌曲。 （标题，艺术家，专辑...）

我曾尝试：

SELECT distinct artist, album, Count(*) from MusicLibrary group by artist order by artist 

，但我得到的歌曲数量。

我会很感激，如果有人能帮助我

Answer 1

既然你节省每一首歌在你需要在数使用distinct只计算独特的专辑和歌曲数量不限于每一个艺术家该表

SELECT artist, Count(distinct album) as albums 
from MusicLibrary 
group by artist 
order by artist 

Answer 2

SELECT artist, Count(album) 
from MusicLibrary 
group by artist 
order by artist