Why is dimensional normalization not required?


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More Data Warehouse General Interview Questions

Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?

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How can we schedule the graph in unix?

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Explain difference between e-r modeling and dimentional modeling?

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What are the advantages of raid 1, 1/0, and

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What is the function of surrogate key in data warehousing?

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What is a ETL/ How does Oracle support the ETL process?

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Give some difference between oltp and olap.

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What is the difference between metadata and data dictionary?

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What are the various methods of getting incremental records or delta records from the source systems?

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What are Aggregate tables?

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How many types of facts and what are they?

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What is a cube in data warehousing concept?

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