Dimension which belongs to only one of the several fact tables

Hi,
I'm newbie in BI. I have good knowledge of DW and Administration (OCP).
Firstly could you give me, please some link expalining aspects of creating "Business Model And Mapping" better than SE Tutoarial.
Now how my problems looks like :
I have several fact tables and dimensions.
But not all dimensions are shared among all facts.
So when i try to put in Answers measurements from all facts it's ok - results are retrieved.
But when i try to add to report some Dimensions attributes which belongs to only one of the facts all facts measurements are gone except measurements for fact table to which dimension attribute is linked to.
I think i know what is the reason but i don't know how to simply solve it :
Below is session trace excerpt only with facts measurements :
RqList
Liczba Transakcji:[DAggr(Fakty - Transakcje (ZSFK).Liczba Transakcji by [ Słownik - Daty.Nr Miesiąca, Słownik - Daty.Miesiąc Rozliczenia, Słownik - Outlety.Outlet Numer (MID), Słownik - Outlety.Outlet Nazwa, Słownik - Terminale.Nr Terminala, Słownik - Daty.Rok Rozliczenia] )] as c7 GB,
Kwota Opłaty Netto:[DAggr(Fakty - Opłaty za Terminale (CBD).Kwota Opłaty Netto by [ Słownik - Daty.Nr Miesiąca, Słownik - Daty.Miesiąc Rozliczenia, Słownik - Outlety.Outlet Numer (MID), Słownik - Outlety.Outlet Nazwa, Słownik - Terminale.Nr Terminala, Słownik - Daty.Rok Rozliczenia] )] as c11 GB,
Below iis session trace excerpt with facts measurements and added dimension attribute:
RqList
Liczba Transakcji:[DAggr(Fakty - Transakcje (ZSFK).Liczba Transakcji by [ Słownik - Rodzaje Walut.KOD_WALUTY, Słownik - Daty.Nr Miesiąca, Słownik - Daty.Miesiąc Rozliczenia, Słownik - Outlety.Outlet Numer (MID), Słownik - Outlety.Outlet Nazwa, Słownik - Terminale.Nr Terminala, Słownik - Daty.Rok Rozliczenia] )] as c7 GB,
Kwota Opłaty Netto:[DAggr(Fakty - Opłaty za Terminale (CBD).Kwota Opłaty Netto by [ Słownik - Rodzaje Walut.KOD_WALUTY, Słownik - Daty.Nr Miesiąca, Słownik - Daty.Miesiąc Rozliczenia, Słownik - Outlety.Outlet Numer (MID), Słownik - Outlety.Outlet Nazwa, Słownik - Terminale.Nr Terminala, Słownik - Daty.Rok Rozliczenia] )] as c12 GB,
Second plan is the plan when report retrieves only results for one fact table and null's for others
Problem is with attribute : "Słownik - Rodzaje Walut.KOD_WALUTY" which is from dimension which belongs only to one fact table.
So other fact table are not linked to this dimension and therefore this plan cannot retrieve results for them.
It is obvious that some of the facts cannot share some dimensions with others but i would like to join them on other common attribute
and my question is how ?
Thanks's in advance Arkadiusz Masny
Edited by: Arkadiusz Masny on Dec 10, 2009 6:49 AM

It's normal behavior. How would fact measure know the value for accurate "non-fact" dimension
Workaround:
First solution is:
Add into logical source of each fact (in logical layer) tables to which belongs dimension attribute and join dimenstion to that fact.
Second you may:
Create fact table which join all needed dimensions with some useless fact ( i.e. count). Next you have to set option "Implicit Fact Column" in presentation catalog to use this fact table.
I can explain it to you in Polish by mail or phone
You bring me a next topic for my blog (in Polish) http://obiee.pl so I'll write sth about such behavior :)
Regards

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Dimension which belongs to only one of the several fact tables

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