What are the reasons to use a chameleon method in data warehousing?
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What is the difference between aggregate table and materialized view?
What are the various methods of getting incremental records or delta records from the source systems?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
what is Materialized Views?
What is the difference between data warehouse and operational systems?
Explain the data type of the surrogate key?
How to provide security in frame work manager for a query subject?
How can you set the session management?
What is the difference between view materialized view and view?
Explain the difference between dw and bi?
what is parallel query?
Explain what are the advantages data mining over traditional approaches?