Explain functional dependency?
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Explain which columns go to the fact table and which columns go the dimension table?
Explain are data mart and dwh normalized or denormalized? Do both of them exist in
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
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 what are slowly changing dimensions?
List down some of the real time data-warehousing tools?
what are the others of "bad files" and "discard files" when using sql*loader?
Explain is fact table?
where exactly in dataware house a confirmed dimension can be created
Why should we use data ware housing and how can you extract data for analysis with example?
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
3 Answers IBM, Ness Technologies,
how much memory space occupied real time project (roughly)?