What are snapshots? What are materialized views & where do we use them?
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Explain what is the data type of the surrogate key?
How to allow a dynamic selection of a column for a measure in a chart,without using variable?
What is difference between e-r modeling and dimensional modeling?
What needs to be done when the database is shutdown?
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Where the applications and where
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what role views play in dimensional modeling?
Which is the optimized method of extracting the data.
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