This is the current result that can be changed from day to day
(int) (nvarchar)
Number Grade
--------------
1 a
1 c
2 a
2 b
2 c
3 b
3 a
What I need help is to achieve this result below.
Number Grade
-----------------
1 a, c
2 a, b, c
3 b, a
See Question&Answers more detail:os