What is factless fact tables?
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what are the similarities between ROLAP and MOLAP
why oracle is the best database for data warehousing?
What is the very basic difference between data warehouse and operational databases?
What are the advantages of query studio compared to report studio?
What is Molap and Rolap? What is Diff between Them?
What is drilling across?
What is the difference between Oracle Express and Oracle Discoverer?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
Explain about core dimension,
What is the difference between mapping parameter & mapping variable in data warehousing?
Explain a mapping, session, worklet, workflow, mapplet?
What is data analysis?