Can you pass sql queries in filter transformation?
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Explain what is real time data-warehousing?
Why facts table is useful in representing the data?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
Why denormalization is promoted in universe designing?
What is execution plan?
Explain what are the various file formats involved in reportnet?
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.
4 Answers IBM, MAHINDRA, Tech Mahindra,
What should I have in mind when building olap solution from scratch?
What are the different types of schemas used in data warehousing?
explain about balanced dimension,
Explain the importance of data warehouse?
Compare and contrast aggregates & indexes