SAP BW Interview Questions and answers

SAP BW Interview Questions and answers
1)Name the two table that provide detail information about data source
2)How and when can you control whether repeat delta is requested?
3)How can you improve the performance of a query
4)How to prevent duplicate record in at the data target level
5)What is virtual cube? its significance
6)Different methods of generic datasource
7)How to connect anew data target to an existing data flow
8)What is partition
9) SAP batch process
10)How do you improve the info cube design preformance
12)Is there any diff between repair run/repaire request.if yes then please tell me in detail
13)Difference between process chain and infopackage group
diff between partition/aggregate


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