Explain why denormalization is promoted in universe designing?
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What are the different ways to represent the loading of dimension tables?
What are the possible data marts in retail sales?
Explain how are the dimension tables designed?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
Explain what are the possible data marts in retail sales?
What is Active Datawarehousing?
What is real-time datawarehousing?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
Code the tables statement to produce a multi-level frequency?
What is the 4 + 1 view model as it relates to system modeling?
What is perform recovery?
ware house management system is used?