Explain what is a three tier data warehouse?
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what are the others of "bad files" and "discard files" when using sql*loader?
Fact table is in normalized or de-normalized form?
What is up date strategy and what are th options for update strategy?
What needs to be done when the database is shutdown?
what are the major three types of modeling used?
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Explain which columns go to the fact table and which columns go the dimension table?
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
OLAP architecture?
Compare aggregates and data marts
What are the other names given to data warehousing?
What is vldb(very large databases)?
How would you write a left join statement to return a result set of movie.title�s and director.name�s?