Migrating SAP BW into Oracle data model

We have a requirement where the exisiting data from SAP BW needs to be migrated into Oracle. Since I do not have any prior SAP BW experience, I wanted to ask the forum on what their thoughts are in converting the data model from SAP BW into Oracle. Would that be straight forward conversion for the fact and dimension tables into Oracle or are there certain things we need keep in mind while designing the data model in Oracle. For ex: indexes, keys, attributes etc if they are handled any differently between the two systems.

ERwin will not give you the functionality to derive the logical data model from SAP BW automatically, however Saphir from Silwood Technology (www.silwoodtechnology.com) does allow you to extract the detailed metadata from the SAP BW system ( as well as from other major standard or customised ERP applications - SAP itself, Oracle, Siebel, Peoplesoft and JD Edwards). Once this information is brought into its own repository, Saphir provides a range of powerful search and view capabilities to allow you to isolate the data you are interested in and then export that information to ERwin (or any other leading Modeling tool).
Saphir will provide you with details of the relationships and detailed definitions within SAP BW.
Hope this helps

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