Virtual KF and DSO

Hi guys,
I would like to understand why when we do a virtual key figure /Characteristic we need a DSO with this Characteristic.
I have been looking information in the forum about that and all the post told about you have to use a DSO or a transparent table but if you only use a infoCube with the Characteristics you don't need a DSO, do you?.
Thanks a lot
Best regards
Ana
Edited by: Ana Marí on Dec 11, 2008 5:10 PM

Dear Ana,
Virtual Key Figures (KF)/ Characteristics can be used to create the Query more dynamic. The value of Virtual KF/Characteristics does not store in the Data Target, it is calculated at runtime (At Query Execution time).
A virtual characteristic / key figure can be used to derive values at query run time.
The virtual characteristic / key figure must be added to the cube as a characteristic or key figure but not filled in update rules or transfer
rules
You can go through the following links.
Virtual Key Figures
sampel code for virtual key figures
Virtual Key Figure - ZXRSRU02
Virtual Keyfigures and Characterisitics
How to implement Virtual Characteristics or Virtual key figures
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/biw/g-i/how%20to%20use%20variable%20time%20references%20in%20currency%20conversion
Hope this helps u..
Best Regards,
VVenkat...

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