Denormalizing Data (Maybe A Pivot?)

Question

I have a simple table containing Student Numbers and corresponding Teacher Numbers, and I need to denormalize it for input to a legacy system.

For example, here\'s

Answer 1

You can use pivot. You also need to "Rank" your teachers 1-6. See my comment on how you want to do this. For now:

Select StudNumber, TeacherNumber, TeacherRank
from (
   Select ST.StudNumber
       , ST.TeacherNumber
       , ROW_NUMBER() OVER (PARTITION BY ST.StudNumber 
                    ORDER BY ST.TeacherNumber) AS TeacherRank
   From StudentTeacher AS ST)
Where TeacherRank <=6

Then you can pivot on this statement. Here is a good explanation: Using Pivot and UnPivot