Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
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Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
What are aggregate tables and aggregate fact tables?
What is the difference between er modeling and dimensional modeling?
What is IQD file?
Where the applications and where ware house management system is used?
What is hash partition?
Explain difference between snow flake and star schema.
Suppose we want to display zero when null values coming to report how can we do that?
I know of using applysimple, but there are other ways too?
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Explain what is power center repository?
What we will do with the universe for faster process?