50個SQL語句(MySQL版) 問題十四

--------------------------表結構--------------------------學習

student(StuId,StuName,StuAge,StuSex) 學生表spa

teacher(TId,Tname) 教師表code

course(CId,Cname,C_TId) 課程表blog

sc(SId,S_CId,Score) 成績表class

----------------------------------------------------------查詢

問題十四:查詢和「1002」號的同窗學習的課程徹底相同的其餘同窗學號和姓名di

SELECT StuId,StuName FROM student WHERE StuId=
ANY(
SELECT SId FROM sc WHERE SId NOT IN
(SELECT SId FROM sc WHERE S_CId NOT IN
(SELECT S_CId FROM sc WHERE SId='1002'))
GROUP BY SId HAVING COUNT(*)=
(SELECT COUNT(*) FROM sc WHERE SId='1002')
)
AND StuId<>'1002';

答案僅供參考,不必定徹底正確,若發現錯誤或有更好的,歡迎評論,互相交流,一塊兒成長!!!co

相關文章
相關標籤/搜索