Why denormalization is promoted in universe designing?
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What is the difference between snowflake and star schema?
How can we determine what records to extract?
Is union transormation is active transformation?
What is the difference between agglomerative and divisive hierarchical clustering?
What is drill-through?
What is a functional dependency f said to be minimal?
Explain where do we use semi and non additive facts?
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 347 what is hybrid slowly changing dimension?
Compare ?Data mining? and ?Data Warehousing??
What is the difference between metadata and data dictionary?
How can we do ETL process in SQL Server?
List any five applications of data warehouse.