What is the function of etl when used in data warehousing?
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What is surrogate key? Where we use it explain with example?
What is a relationship?
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
What is degenerate dimension table?
Explain er diagram?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
What is the difference between er modeling and dimensional modeling?
what are the different views that are considered when building an object-oriented software system?
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What is operational data store (ods)?
Store (and count) non-fact records?
Explain why should you put your data warehouse on a different system than your oltp system?
What is Discrete and Continuous data in Data mining world?