Why fact table is in a normal form?
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Explain why fact table is in normal form?
Difference between ODS and Staging
Explain what is the difference between stop and abort?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
How would you write a simple stored procedure in tsql which takes a movie_id and returns all the directors associated with it?
DWH architecture?
What is Conceptual, Logical and Physical model?
What is the use of tabular model, tabular sql, tabular reference in real time application?
How to reduce warnings?
Explain what is the difference between olap and datawarehosue?
Ist the schema that a data warehouse system can implements.
What is meant by metadata in context of a data warehouse?