Explain what are the various methods of getting incremental records or delta records from the source systems?
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Explain what are the mapping paramaters and maping variables?
What are the steps involved in creating dimensional modeling process?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
which automation tool is used in data warehouse testing?
Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?
Explain what is cost benefit analysis (cba)?
What is Star Schema?
What is drill-through?
Tell me one example for multi valued dimension or bridge table?
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DWH architecture?
What is the difference between Datawarehouse and OLAP?
How much data hold in one universe.