Can any one explain the hierarchies level data warehousing.
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What is the difference between junk dimension and degenerated dimension?
Explain what are the different types of join operations?
Explain what are the advantages data mining over traditional approaches?
What is incremintal loading?
What is crass reference table?
What is a look up function? What is default transformation for the look up function?
What is the difference between olap and oltp?
What is a full backup?
What needs to be done when the database is shutdown?
Advantages of de normalized data?
what is the difference between MOLAP and ROLAP?
Explain which columns go to the fact table and which columns go the dimension table?