What is degenerate dimension table?
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What is informatica architecture?
Start a batches with in a batch?
Code the tables statement for a single-level (most common) frequency?
Explain what is ods (operation data source)?
Explain what are the tasks that loadmanger process will do?
How would you write a simple stored procedure in tsql which takes a movie_id and returns all the directors associated with it?
What is surrogate key? Where we use it?
if you use oracle sql*loader , how do you transform data with it during loading?
Do you view contain data?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
Briefly state different between data ware house & data mart?
Explain the difference between oltp and olap?