What is metadata in context of a datawarehouse and how it is important?
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How to eliminate duplicate rows from flat file?
What are non-additive facts in detail?
What are modeling tools available in the market?
where exactly in dataware house a confirmed dimension can be created
How we are using this function?
Explain the importance of data warehouse?
Explain what is cost benefit analysis (cba)?
What are the key columns in Fact and dimension tables?
Explain what are data marts?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What are cluster analysis in data warehousing?
What is the difference between static cache and dynamic cache?