我怎樣才能附加字段添加到SQL Group By子句

Question

我有以下的MS-SQL訪問表： -

名稱，主題，SCORE

..和我需要找到的平均分，得分最高，得分最高的對象。我已經設法產生以下查詢，但不知道如何可以納入SUBJECT字段： -

SELECT NAME, Avg(SCORE) AS AverageScore, MAX(SCORE) AS best_score 
FROM Scoretable 
GROUP BY NAME 

任何想法？

Answer 1

select sm.NAME, sm.AverageScore, sm.best_score, s.SUBJECT 
from (
    SELECT NAME, Avg(SCORE) AS AverageScore, MAX(SCORE) AS best_score 
    FROM Scoretable 
    GROUP BY NAME 
) sm 
inner join Scoretable s on sm.NAME = s.NAME 
    and sm.best_score = s.SCORE