What are the difference between snow flake and star schema?
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Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
What is a fact table?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
Explain what is difference between query studio and report studio?
Explain what are the advantages of query studio compared to report studio?
What is data warehosuing hierarchy?
what type of raid setup would you put your tx logs?
Can you state some of the innovations throughout history?
What is the advantages data mining over traditional approaches?
Why joiner transformation does not allow the aggregator transformation and expression transformation to join
What is many-to-many dimensional model in datawarehousing ?
What are the different types of join operations?