数据库----表查询面试题

1、SELECT NAME,SUM(score) allr FROM stuscore GROUP BY (NAME) ORDER BY (allr) DESC 

2、SELECT NAME,SUBJECT,score,stuid FROM stuscore WHERE(SUBJECT,score)
IN (SELECT SUBJECT ,MAX(score)FROM stuscore GROUP BY(SUBJECT))

3、SELECT NAME,SUBJECT,score,stuid ,MAX(score) FROM stuscore 
 GROUP BY(NAME