What is surrogate key? Where we use it explain with example?
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Explain bus schema?
Do you view contain data?
Explain functional dependency?
What are the approaches used by optimizer during execution plan?
Is union transormation is active transformation?
Which is the optimized method of extracting the data.
What a static and local variable?
What is surrogate key?
Explain why are oltp database designs not generally a good idea for a data warehouse?
Explain which columns go to the fact table and which columns go the dimension table?
Suggest a good author for hyperion in data warehousing?
Who needs data warehousing?