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Best Practices for Creating and Maintaining an SAP BW RelationalUniverse with the Information Design Tool
Ahmed Sherif
September 10-13, 2012Orlando, Florida
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How to create an SAP relational Connection (JCO), DataFoundation, and Business Layer
How to maintain an SAP relational Universe after updates
have been made in BW How does this Change the Game?
Learning Points
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Creating a universe off of SAP data
1. .UNV off of a Bex Query
2. Data services pulling data into SQL server or comparableserver to be built off of relational tables
Before 4.0
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There is another!
Creating an SAP relational JCO connection based off of BWcubes (multiproviders, infoproviders , DSOs, etc)
As of BI 4.0 SP2 Patch 6
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Project
First we will create a local project.
In this project the shortcut to the Relationalconnection, the data foundation and business layerwill be saved.
Enter a name for your project and click Finish.
Lets Get Started
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Traditional Relational connection created locally wont
reveal a connection source to SAP BW
Connection
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So, whats going on?
You will need to create the connection first in the repositoryand then publish it locally to your project.
Connection
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Continue to input your credentials
Select the appropriate infocube
Click OK
Finally, publish a shortcut of your connection in therepository to your local project or folder
Connection
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This part is opposite to a traditional relational connection
where you create the connection locally and then publish itto your repository.
Connection
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Right-click on your project or folder and select create a data
foundation
Select a multi-source enabled data foundation
Check on the location connection shortcut that points tothe JCO connector on the server
Click Finish
Data Foundation
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Depending on what type of cube you are connected to, you
can see only one table or thousands of tables connectedtogether that make up the BW architecture
Data Foundation
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Again, right- click on your project and select New Business
Layer
Select Relational
Give it a name and point it to your data foundation justshortly created before
Select Automatically create classes and objects for SAP BWNetweaver connections (Recommended)
Business Layer (Universe)
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Again, right- click on your project and select New Business
Layer
Select Relational
Give it a name and point it to your data foundation justshortly created before
Select Automatically create classes and objects for SAP BWNetweaver connections (Recommended)
Your Universe is now complete
Business Layer (Universe)
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What happens when there is an update to BW
Will your relational universe update automatically?
Is there a button to push to update your universe similar as
there is to OLAP Universes? What do I do?
Maintaining a Universe
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You will need to go in manually, refresh the data
foundations and pull in the new fields manually into theuniverse
Drawbacks
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The BOBJ developer is more in control
Less dependence on your BW counterpart
Minimizes the need for 50,000 BEx queries
Custom Measures created at the Universe
Pre-defined conditions can be created in the Universe
Create Navigation Paths (Hierarchies)
Benefits
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Creating a Relational BW connection is not too differentfrom a traditional relation BW connection and Universe
Maintaining a BW Relational Universe can be painful in theearly stages when many changes are being made to the BWarchitecture
The benefits of being in control on the BOBJ side will giveyou greater control of your universe and your flexibilitywhen creating Webi/Crystal reports and dashboards.
Key Learnings
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Ahmed Sherif
BI Consultant for it elligence, inc.
Ahmed.Sherif@ it elligencegroup.com
Twitter: @asherif844
Contact Info
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