OBIEE 10g repository - Business model - logical table to physical table, column mapping is empty

Hi, I am really new to OBIEE 10g.
I already set up a SQL Server 2005 database in Physical and import a view vw_Dim_retail_branch.
The view has 3 columns: branch_id, branch_code, branch_desc.
Now I want to set up the Business model to map this physical table (view).
I created a new Business model
Added new logical table Dim_retail_branch
In the sources, added the vw_Dim_retail_branch as source table.
But in the Logical table source window, column mapping tab, it's blank. I thought it should be able to identify all the columns from vw_Dim_retail_branch, but not. The show mapped columns is ticked.
What should I do here? Manually type each column?

HI,
Just you can drag and drop the columns from physical layer to BMM layer.
Select the 3 columns and drag and drop it to the created logical column in BMM layer.
for more reference : http:\\mkashu.blogspot.com
Regards,
VG

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OBIEE 10G - Repository Business Model adding Fact Table

Hi there,
I've tried to search in the forum for problems similar to this one but didn't find any thread that answered my doubts.
I'll try to explain this well (without images it's complicated). Let's assume we have a schema with the following tables:
Dim_1, Dim_2 , Dim_3, Dim_4, Dim_5, Fact_1, Fact_2
Fact_1 is connected to Dim_1, Dim_2 and Dim_3
Fact_2 is connected to Dim_2, Dim_3, Dim_4 and Dim_5
And on the business model of the repository we already have a model with the following tables:
Dim_1, Dim_2, Dim_3 and Fact_1. This was the state of the repository the last time we saved it.
Now i want to add to the business model the table Fact_2 and the Dims that connect with Fact_2. What should i do here?
If i drag from the physical layer only the tables (Dim_4, Dim_5 and Fact_2 since Dim_1 and Dim_2 already exist in the business model) when i check on the business model diagram the Fact_2 table and direct joins i will only see joins to Dim_4 and Dim_5 and not the joins to the two other dimesion tables (Dim_1 and Dim_2). I don't know if OBIEE will still act like these joins are made or if i will have problems when i work on presentation services.
If i drag from the physical layer the tables (Dim_2, Dim_3, Dim_4, Dim_5 and Fact_2) i will see all joins but i will have on the business model repeated tables, something like this:
Dim_1, Dim_2, Dim_2#1, Dim_3, Dim_3#1, Dim_4, Dim_5, Fact_1 and Fact_2
So what's the solution here? Do i have to redo everything i want to add something and this situation occurs? Doesn't sound smart and there has to be a better solution. I know i can redo the direct joins manually but is that the best solution i can look for in this situation?
I hope i was clear :)
Thanks

Hi,
Follow these steps,
1.Drag Dim_4, Dim_5 and Fact_2 to BMM
2.Select (Press Ctrl to select multiple objects)in BMM: Dim 1 to 5, Fact_1 and Fact_2
3.Right click ->Business Model diagram->Selected objects only
4.Give the necessary joins,
Dim 4,&5 joins to Fact1(as 1,2,3 are already joined)
Dim 2,3,4,5 joins to Fact2
5.Check consistency.
Rgds,
Dpka

Business Model - Logical Table Source

Can someone give me clarification on exactly when you would follow scenario 1 when modelling a logical table and exactly when you would follow scenario 2, and what the key difference in behaviour between the two is. It would help if someone could illustrate with sql table joins equivalent.
Scenario 1
You drag a second physical table's column onto the logical table. This causes an additional field to appear in that logical tables list of columns sourced from a different table to the original and causes a second table to appear under the original table in the source folder.
Scenario 2
You drag a second physical table onto the existing logical table source of a logical table. The physical table source appears on the surface the same as before, but when you examine its properties you see that the second table has been joined to it.
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Hi Robert,
This is quite an interesting question, I would say :). As per me, here is why
As you know already, BI Server generates intelligent queries based on our logical mappings in the BMM layer and there is only one primary goal for our BI Server Engine, generating an optimistic physical query.
Scenario 1 : Two logical sources created.
Two logical sources mean, there are two different ways the logical table(or same logical column) could be arrived at.
Ex 1:
You have a model, where you have Sales numbers and 4 levels of product hierarchy (lowest P4 -> P3-> P2-> P1) with sales at productlevel4.
And, You have created aggregated tables for sales numbers at level2 of product dimension also.
So, in this case the same product dimension would have two logical table sources, just because Level 1 Product can be derived from Aggregated product dimension source at level2 or detailed product dimension source at level4. And, it is the BI Server which would determine from where it has to pick (Of course there are some other criteria to control it).
Ex2:
Here even sales numbers are available at different granularities viz product level2, product level4. So for sales logical fact, we end up creating two sources just because there are two completely different sources with different granularity.
Scenario 2 : Two columns created, but only one logical source with a join in it.
Say, in the above example you have a snowflake product manager dimension to the product dimension. So, when you pull Product Manager into your product dimension (collapsing snowflakes), you end up creating just one logical table source with an inner join of ProductManager dimension and product dimension because product manager could be arrived only by going through products.
So, if you have report on sales by product manager, you would see query with an inner join of sales fact to product and inner join(this is based on the join type you set in this logical source) of product to product manager.
Hope I was clear enough and this helps.
Thank you,
Dhar

OBIEE10G repository business model

Hi, I am new to OBIEE 10G.
I created a physical table (a SQL Server 2005 view) vw_Dim_retail_branch, which has three columns: branch_id, branch_code, branch_desc
I then created a new business model: Retail_branch,
I dragged the vw_Dim_retail_branch from physical to the model Retail_branch. A logical table is created with the three columns. Great.
I then dragged the model to presentation layer, a presentation catalogue and presentation table created. But the consistence checking reports an error:
BUSINESS MODEL Retail_branch:
[nQSError: 15001] Could not load navigation space for subject area Retail_branch.
[15013] Logical table, Retail_branch.vw_Dim_retail_branch, does not join to any other logical table
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Ok, I think I found the answer:
https://forums.oracle.com/message/3527204

OBIEE 10G - Repository Documentation

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There might be few columns in BMM with expression as '' or any these may not have direct physical sources. Other than these I dont think any case for that. can you double check by opening document file in Excel?
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I have some tables defined in the Physical Layer, which some are Physical Tables and others are OBIEE "views" (tables created with a Select clause).
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FPG

Hi FPG,
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Different SQL generated for physical table query vs. view object query?
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Hello,
Versión 4.0.0.833.
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Assigment of absolute value like this is working good:
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Hi,
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Hi,
I'm quite new to BIEE and setting up my repository.
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Hi mengesh,
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I have a requirement something similar to this, to be implemented in repository. Could anyone throw some light in this regard?
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once check it.
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OBIEE 10g repository - Business model - logical table to physical table, column mapping is empty

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