abhi10kumar 0 Junior Poster

I have 2 tables; first table Book, having book id and chapters. The second table points having studentid, bookid and hw-points for the students. I need to get results like below tabular format.

                   Chapter 1        Chapter 2        Chapter 3
Book 1   sum of c1/B1   sum of c2/B1    sum of c2/B1
Book 2    sum of c1/B2   sum of c2/B2    sum of c2/B2

Points-table

id    userid    BookId    homeworkPoints
2     1308      673          250    
3     2631      674          200    
4     2631      627          175    
5      2631        675        50        
6      2631        647        50        
7      2631        681        50        
8      2631        638        50        

Book-Table
id      Book-Id     Chapter-Id
673         1           1
674         1           2
675         1           3
681         2           1
687         2           2
688         2           3