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Suppose I have
select *
from A a
left outer join B b on b.ID in (1,2,3/*and possibly any numbers*/)
and so I get (Ax - A's xth row, Bx - B's xth row):
A1 B1
A1 B2
A1 B3
A2 B1
...
And what I want is this:
A1 B1 B2 B3
A2 B1 B2 B3
So that there is dynamic number of columns. What is the best way of achieving this?
It is possible using Pivots.
The below link might help you. It contains 4-5 different solutions.
Tranpose in SQL Server