Explain have you ever been in a real dilemma at work? What did you do to get out of it?
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Start a batches with in a batch?
What are the different problems that ?Data mining? can solve?
What are the various methods of getting incremental records or delta records from the source systems?
Briefly state different between data ware house & data mart?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
Explain what is fact less fact table? Where you have used it in your project?
what is the diffrence between psa and idoc
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
How to eliminate duplicate rows from flat file?
Explain why dimenstion tables are denormalized in nature?
What is a Data Warehouse?
what is table partitioning? How it is useful to warehouse database?