Explain what is the difference between power center & power mart?
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What is is the guidelines to build universe with better performance? R performance tuning issues of universes?
Explain what are the modules in power mart?
What is "method/1"?
What is data warehosuing hierarchy?
How to pivot data using informatica when you have variable amount of pivot rows?
What is scd1 , scd2 , scd3?
What is an error log table in informatica occurs and how to maintain it in mapping?
Is framework manager an un-needed overhead? As we know report studio allows us to create the data model from a query and thereby skipping framework manager. Given that this feature is available, in what scenarios would one want to skip framework manager?
Explain the data type of the surrogate key?
Define data warehouse?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
Explain what are the advantages and disadvantages of reporting directly against the database?