What is a hash cluster?
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Why fact table is in a normal form?
Explain what is fact less fact table? Where you have used it in your project?
Explain functional dependency?
Explain differences between star and snowflake schemas?
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
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Explain the data type of the surrogate key?
How does data mining and data warehousing work together?
What is an error log table in informatica occurs and how to maintain it in mapping?
Explain what is full load & incremental or refresh load?
Explain difference between data ware house & data mart?
Explain about core dimension, balanced dimension, and dirty dimension?