Name a few sectors which use data warehousing?
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What is a Decision Tree Algorithm?
What is data type of the surrogate key?
What are Fact tables and Dimension Tables?
Explain why dimenstion tables are denormalized in nature?
What is the use of incremental aggregation? Explain me in brief with an example?
What is Operational Data Store?
What are Non-additive facts?
Explain vldb?
what is a hot file, why we need in datawarehousing, where we used in general
what is data validation strategies for data mart validation after loading process
Is there any difference in testing database and data ware housing?
What are fact, dimension, and measure?