Creating Universeson different marts/databases

Hi all
We are using BO XIR2
I have a question.
We have 2 different marts/databases with some factual and dimension information in both.
1) Is it possible to design a single universe on both these marts? How does a universe access both the databases and extract tables from it to build objects?
2) If this is possible, then How is it different from linking 2 universes and making a single universe from the 2 linked universes? Which is a better approach.
Thanks in advance.

Hi,
As far as i know its not directly possible to create a universe from 2 different data sources, its only possible by using data federator(which is used to create single database from 2 different data sources). Please go through this for an idea about Data Federator.
/people/frederic.vanborre/blog/2009/03/05/your-1st-df-project-in-less-than-15min-install-included
https://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/u/251908199. [original link is broken] [original link is broken]
Coming to linking universes( please go through universe designer guide, so that you will have a good idea about linking universes). As far as i know you will be linking universe or you will include a universe there is difference between these two approaches.(go through the guide for more details about linking)
Thanks,
SK.
Edited by: Vallabhaneni SK on Jun 25, 2009 9:42 AM

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How many users can we create in an oracle database? Or how many users can oracle handle?
Problem-
I have to store information of ontologies (I will use countries instead) in db.
I have to store information regarding countries.
I have 13 tables in all to maintain for each country.
Now there are two approaches:
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Your approach, however, is not going to scale nearly as well as the first option you outlined (adding a column). You are going to end up caching every possible variation of the various queries you're going to be executing because you will be referring to so many different tables, which is going to mean that you are doing a lot more work to parsing statements and generally churning through the shared pool. If you create enough users, you're liable to start hitting ORA-04030 errors because your shared pool is so fragmented.
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If you're concerned about having too much data, you can have your cake and eat it to by adding the country column and partitioning the tables based on country.
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One other item I forgot to mention is maintainability. Having dozens or hundreds of "identical" schemas makes maintenance a huge pain because something like adding a new column now requires dozens or hundreds of separate DDL statements. You're almost guaranteed that some schema isn't going to be in sync-- it's going to miss a column or miss an index, etc.
Message was edited by:
Justin Cave

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One the primary server I created it using:
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Edited by: tjohnson on Mar 23, 2009 2:26 PM

If in the primary I had control files named control01, control02 and control03 would I have been able to create a standby controlfile called control01.ctl or would I have had to name it something else like I did (sbcontrol01.ctl) and rename it to control01.ctl once I got it over to the standby database server?Suppose you have the primary database control file in C:\oracle\primary\control location with names control01.ctl and control02.ctl. Then also you can create a standby controlfile with control01.ctl and control02.ctl , but then the location to be created must be different.You can create it in C:\oracle\primary location and then transfer to the specified location mentioed in the pfile of the standby database and mount the standby database.
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HTH
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>
You're thinking wrong.
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Sybrand,
Perhaps, you meant DB_NAME has to be identical for both databases.
DB_NAME name has to be the same for both primary and physical standby database.
DB_UNIQUE_NAME should be unique for each database in the standby configuration.
http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ps.htm#i68626
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http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ps.htm#g88234
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Creating Universeson different marts/databases

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