What is the function of surrogate key in data warehousing?
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Difference between e-r modeling and dimentional modeling?
what are the all possible features supported modify stage?
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What is the difference between a W/H and an OLTP application?
Explain reference cursor?
What is called dimensional modelling?
What is difference macros and prompts?
Explain meta data?
Why facts table is useful in representing the data?
Explain the difference between data ware house & data mart?
what are the similarities between ROLAP and MOLAP
Explain the data types present in bo n wht happens if we implement view in the designer n report?