Here's a CROSS APPLY version of Jeff's derived table solution:
I keep forgetting about CROSS APPLY. When it first came out, I thought, "Just Great... another way to do a slowas correllated sub-query". Man... was I wrong.
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row. First step towards the paradigm shift of writing Set Based code: ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.