Explain what are the vaious etl tools in the market?
No Answer is Posted For this Question
Be the First to Post Answer
in general which algorithms for used?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
What is Active Datawarehousing?
Fact table is in normalized or de-normalized form?
What are the tools available for etl?
Explain Association algorithm in Data mining?
Explain about core dimension, balanced dimension, and dirty dimension?
Explain what does level of granularity of a fact table signify?
What are the advantages and disadvantages of reporting directly against the database?
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
Explain multivalued dependency?
How are models actually derived?