What is data type of the surrogate key?
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suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
What is a Decision Tree Algorithm?
Hi,Please can u tell me.. What is the difference between a Hyperion Essbase CUBE and a Star Schema? Thanks in advance, Vijay.
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
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explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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Store (and count) non-fact records?
What is the use of incremental aggregation? Explain me in brief with an example?
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