What is called data cleaning?
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Explain hybrid slowly changing dimension?
What is latest version of power center / power mart?
Explain are data mart and dwh normalized or denormalized? Do both of them exist in
Give me a broad concept of what a data warehouse is, and what it might be used for?
What is ?Data mining??
what is the difference between etl tool and olap tools
What are the advantages of raid 1, 1/0, and
Explain the data types present in bo n wht happens if we implement view in the designer n report?
Why should we use data ware housing and how can you extract data for analysis with example?
What are the methodologies of data warehousing?
What are components of reportnet?
Explain is fact table?