What are the stages of datawarehousing?
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Explain what is the limit to the number of sources and targets you can have in a mapping?
Explain are data mart and dwh normalized or denormalized? Do both of them exist in
Explain how many ways you create ports?
What is the goal of optimizer?
What is Data purging?
What are the possible data marts in retail sales?
How can we run the graph?
What is the use of dimensional modeling in data warehousing?
What are the types of SCD?
How many types of facts and what are they?
Compare and contrast aggregates & indexes
How to calculate fact table granularity?