Hello, Picavet.
> Anybody for a ray of light on a different approach ? This look like a
> recurrent problem, isn't there an experienced sql programmer here who
> tackled this issued a couple of time ?
Actually, I'm not very experienced in SQL. But from my point of view
this problem could be solve
Hello,
Here is a sql problem, which I thought simple at first, but for which I
ended up with a solution I find surprisingly complicated.
I really think I could have achieved a much easier way of handling this,
but I do not manage to find the trick allowing a very simple and
efficient query to solv