What is a linked cube?
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Explain the versions of reportnet?
Tell me one example for junk dimension?
How do you define data block size?
difference between For each and for all
What is surrogate key? Explain with examples.
What is an IDQ file? What is the purpose of the IDQ file and what kindof information does it usualy hold? Can it be imported by informatica?
What is a staging area? Do we need it? What is the purpose of a staging area?
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
explain about balanced dimension,
what is the difference between DSS and ODS ?
List any five applications of data warehouse.
What is the very basic difference between data warehouse and operational databases?