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What is difference between e-r modeling and dimentional modeling.
Asked By: Srinu
| Asked On: Mar 9th, 2006
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I think the answer the best suits this question is as below: Entity - Relationship Modelling:- Removes data redundancy. Ensures data consistency. Expresses relationship between the entities....
ER ModelProcess : NormalizationJoin : More ( n-1)Detail DataSize: MB to GBData : Current Datauser's : More than 1000Data: Volatile.Dimensional ModelingProcess: DenormalizationJoin: LessData: Summarize...