Explain difference between e-r modeling and dimentional modeling?
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How did you plan your Data ware house project?
How to handle multi value dimensions?
Briefly state different between data ware house & data mart?
Compare and contrast aggregates & indexes
3.What is fact less fact ?
9 Answers Accenture, HCL, TCS,
Tell me one example for multi valued dimension or bridge table?
2 Answers Accenture, CMC, IBM, Logica CMG, TCS,
What is a linked cube?
What is batch processing?
What are the mapping paramaters and maping variables?
State any 5 of Cods guidelines of an OLAP system, brief description each?
What is a ETL/ How does Oracle support the ETL process?
Explain normalization?