Explain why denormalization is promoted in universe designing?
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what is data validation strategies for data mart validation after loading process
Explain me what are data marts?
What is surrogate key? Where we use it? Explain with examples.
Code the tables statement to produce a multi-level frequency?
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?
What is the goal of optimizer?
What are the types of dimensional modeling?
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
what are the all possible features supported modify stage?
What is hash partition?
What are universe requirements?