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Explain what does level of granularity of a fact table signify?
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Explain a linked cube?
How many repositories can we create in Informatica?
Is there any rownum object from which we can do this?
Why do we use DSS database for OLAP tools?
Fact table is in normalized or de-normalized form?
How to pivot data using informatica when you have variable amount of pivot rows?
Explain which are the olap tools available that are supported by oracle?
Give some difference between oltp and olap.
What is staging area?
Explain the difference between dw and bi?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
Teradata 
