What are the different types of data warehousing?
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Where we use surrogate key explain with example?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
Explain can a dimension table contains numeric values?
How to eliminate duplicate rows from flat file?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
What are the different methods of loading dimension tables?
What is conformed fact?
Is it possible to have more than one row on the same table with the same foreign key?
Is there any difference in testing database and data ware housing?
What is the limit to the number of sources and targets you can have in a mapping?
Tell me one example for junk dimension?
What do you mean by static and local variable?