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Explain a mapping, session, worklet, workflow, mapplet?
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What Oracle features can be used to optimize my Warehouse system?
Explain the difference between data ware house & data mart?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
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Explain why are oltp database designs not generally a good idea for a data warehouse?
Explain what is the difference between powerplay transformer and power play reports?
Store (and count) non-fact records?
How would you write a simple stored procedure in tsql which takes a movie_id and returns all the directors associated with it?
Tell me one example for junk dimension?
Explain what is analytical or analytic mean?
if we increase the number of dimensions will the rows in fact table increase or decrease??
Why do we use DSS database for OLAP tools?
what is the difference between MOLAP and ROLAP?
Teradata 
