Explain how many ways you create ports?
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What we will do with the universe for faster process?
what is the difference between aggregate table and fact table ? how do you load these two tables ?
what is the difference between etl tool and olap tools
What is a star schema? Why does one design this way?
How many ways we test the universe & Report?
Explain what is the difference between powerplay transformer and power play reports?
Explain about core dimension, balanced dimension, and dirty dimension?
5.Explain ODS ?
Why facts table is useful in representing the data?
What is the difference between aggregate table and materialized view?
Difference between e-r modeling and dimentional modeling?
Explain what are non-additive facts?