Explain difference between snow flake and star schema.
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if we increase the number of dimensions will the rows in fact table increase or decrease??
Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
Where we use surrogate key explain with example?
what is a hot file, why we need in datawarehousing, where we used in general
How to stop a batch?
What are the different ways to represent the loading of dimension tables?
What is metadata in context of a datawarehouse?
What is Sequence clustering algorithm?
What is the use of dimensional modeling in data warehousing?
What is surrogate key? Explain with examples.
Explain a mapping, session, worklet, workflow, mapplet?
How are the dimension tables designed?