Explain what is the limit to the number of sources and targets you can have in a mapping?
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What is Star Schema?
What is DTM session?
How can you set the session management?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What is Cognos script editor?
Compare aggregates and data marts
What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
Explain why should you put your data warehouse on a different system than your oltp system?
What are the mapping paramaters and maping variables?
What is the difference between er modeling and dimensional modeling?
Why should we use data ware housing and how can you extract data for analysis with example?
What are the types of dimensional modeling?