Selecting The Correct Fact Table

I have an environment that has multiple dimension tables and multiple fact tables.
I have multiple Presentation Catalogues to organise these.
In PCat1 I have multiple dimensions and two Facts; F1 & F2.
In answers I have build a filter to restrict the dashboard to show only selected data from two dimensions; D1 & D2. The filter is built using PCat1.
The facts F1 and F2 do both have relationships defined to D1 and D2.
When I check the SQL generated by the filter (as the results do not look correct) I can see that the SQL is referencing a fact table F3 that is NOT in PCat1.
F3 does contain valid joins to D1 and D2 but F3 is not in PCat1 so I do not know why it is being used.
How do I FORCE BIEE to generate SQL that is sourced ONLY from the presentation catalogue that was selected when I created the filter in answers.
I am using version 10.1.3.3

Excellent, that seems to have done the trick.
Right click on the presentation catalogue select properties and selected my fact table.
Need to test ALL my reports now.
Thanks for your help<br>
Ross

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Mix source data with different granularity into the same fact table?

I have two transaction tables "Incident (157 columns)" and "Unit (70 Colums)". For every "Incident" that happens there could be one or more records in the "Unit" table.
As part of my data mart design, I have merged both the tables into a single Fact "Incident Fact (227 Columns)" and inserted the records from both the tables with a join condition between them [incident.IN_NUM = Unit.IN_NUM].
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Bees,
Are the measures from 'Incident' , repeated for a given incident where it has more than one record in the Unit table ? If so, then the sum(indicent.measure) will give an incorrect result, no ?
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To do what I've mentioned, is relatively straight forward, you need a 'Dim - Incident' with two levels, Incident and Unit, mapp the unique identifiers in as the level keys and then use these levels to set the content levels correctly in your 2 logical tables sources for logical 'Fact' , ie Incidents LTS at incident level, Units LTS as units level.
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I forgot the definition that you can find here :
http://download.oracle.com/docs/cd/E12096_01/books/admintool/admintool_PresentationSetup4.html
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OBIEE Query not hitting the other fact table

Hi All,
I am trying to create report based on two fact column and one dimension. Dimension is connected with these two facts table. When i create report using one column from dimension and one column from respective facts so i get two scenerio...
For example let say..
D1 is dimension and F1 and F2 are two fact tables.
First i used a column which have aggregation rule from one fact and one column from other fact which also have aggregate column.
That is report like...
D1.c1,Agg(F1.c2),Agg(F2.c3)
When i run the report I get the data from dimension and only from first fact table. When i check the query, Query contain only one fact table and it doesnt hit the other one.
Now in second scenerio i used one column from dimension, one column from first fact which have aggregation rule and one column from second fact which doesnt have any aggregation rule.
like...
D1.c1,Agg(F1.c2),F2.c3
When i run the report i got the error. It says
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 14026] Unable to navigate requested expression: F1 -C2 . Please fix the metadata consistency warnings. (HY000).
But there is no warning in RPD.
I am amazed that it is not taking both the fact columns even the dimension is confirmed dimension and have joined with both the fact tables.
As i am just started to learn OBIEE, So i am find it bit difficult that how OBIEE select the tables and formed physical query.
Waiting for your help.
Regards
Suhail

Aadi-Wasi,
Thumb rule, OBIEE BMM layer must contain a simple star schema.
Did your BMM layer suffice the above condition? If hope, Not.
My prediction of your BMM layer structure contains 3 logical tables, i.e. dimension & 2 logical facts...which is not a simple star.
Thus to make it a simple star collapse 2 logical fact tables into 1 logical fact table. As you mentioned dimension is linked to both facts, collapsing 2 logical fact tables into 1 logical fact table will provide the result for your query1.
regarding your second error:
All aggregations must be contained within Fact tables with few exceptions.
Let us know If I did resolve your issue
mark posts promptly...
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-bifacts
http://www.obinotes.com

Cannot select the fields for table view WB2_V_MKPF_MSEG2

Hi, I have a program where the query is using join statement of MSEG and MKPF. As part of the performance enhancement I use Table View WB2_V_MKPF_MSEG2 instead.
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But upon debugging the program on SY-SUBRC breakpoint, I can see 5 rows appended in internal table T_MSEG "BUT" the entries are all blank.
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SELECT MATNR_I BWART_I MENGE_I
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WHERE MATNR_I IN R_MATNR3
      AND MATNR_I IN R_COMPNTS
      AND WERKS_I EQ P_WERKS
      AND BWART_I EQ '931'
     AND BUDAT    IN S_GSTRP
     AND MJAHR    EQ W_DOC_YEAR.
IF SY-SUBRC EQ 0.
ENDIF.
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Jun

Hi Suhas,
I just did a short test just now:
REPORT ZTEST_SELVIEW.
TABLES: WB2_V_MKPF_MSEG2.
TYPES: BEGIN OF Y_MSEG,
         MATNR LIKE MSEG-MATNR,
         BWART LIKE MSEG-BWART,
         MENGE LIKE MSEG-MENGE,
       END   OF Y_MSEG.
DATA: T_MSEG TYPE STANDARD TABLE OF Y_MSEG.
SELECT MATNR_I
       BWART_I
       MENGE_I
FROM WB2_V_MKPF_MSEG2
INTO CORRESPONDING FIELDS OF TABLE T_MSEG
WHERE MATNR_I EQ '000000000000004000'
   AND WERKS_I EQ '0288'
   AND BWART_I EQ '931'
*   AND BUDAT   EQ '20071117'
   AND MJAHR   EQ '2007'.
IF SY-SUBRC EQ 0.
ENDIF.
In my debug, T_MSEG contains the same number of rows that my SE16>WB2_V_MKPF_MSEG2(using the hard coded statement in my SQL) "BUT" each rows does not have any entries. Bottomline, I can't only see blank entries in ITAB T_MSEG but the rows are being selected properly, so the itab contains x-number of rows with blank entries.
Thanks.

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

How to refer to fact table to update the same fact table

Here is my scenario. Fact table is having measures basic_sal, Tax, net_sal with dimension key to employee dimension.
I neet to update the net_sal = basic_sal - tax in fact table.
I tried to do a map with fact_table as source and also target. but after deploying the map, it's not updating the net_sal to the existing rows. It's inserting the new rows with dimension key and net_sal columns. so now fact table is having the double the existing rows.
Thanks,
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Ola Srini,
We have some experience that updating a table while using that same table as source often takes a lot of time... Specially when the table contains a lot of data (which is mostly the case with fact tables).
You can use two solutions. Expand the mapping u use to fill the fact table... The calculations looks not that complex to me... But I could be wrong.
Other solution is to create a temp table where you store all sal types. You could load the fact table from this temp table. Disadvantage of this solution is maintenance of the temp table...
Regards,
Moscowic

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