sql-server-2008 - すべてのコースで最高点を取得した学生の名前を取得するビューを作成する

Question

Course テーブル: courseId,courseName,tutor
Student テーブル: studentId,studentName
Marks テーブル: MarksId,studentId,courseId,marks
詳細情報が必要な場合はコメントしてください

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CREATE VIEW maxmarks 
AS
SELECT b.studentName,courseId from [dbo].[zz_16_Marks_tbl] a,[dbo].[zz_16_Student_tbl] b
WHERE a.studentId=b.studentId AND marks in(
SELECT MAX(marks),courseId FROM [dbo].[zz_16_Marks_tbl] GROUP BY courseId)

Answer 1

CREATE VIEW maxmarks 
AS
WITH CTE AS (SELECT MAX(marks),courseId FROM [dbo].[zz_16_Marks_tbl] GROUP BY courseId )
SELECT b.studentName,a.courseId 
from [dbo].[zz_16_Marks_tbl] a
INNER JOIN [dbo].[zz_16_Student_tbl] b ON a.studentId=b.studentId 
INNER JOIN CTE c ON a.courseId =c.courseId and a.marks=b.marks