I think that it can be done with the "CrossTable LOAD" in loadscript.
See the attached QVF.
CrossTable.qvf 176.0 K
Thank you very much for your answer. Actually, it works well but synthetic keys appear and I wonder if it's ok. I'm gona try to find out a solution to avoid it.
I'm gonna get into QlikView - its a good idea, thanks for advise.
I'll be back here in 2 days and tell you what I find out.
Thanks for discussion