Interview Questions Answers.ORG
Interviewer And Interviewee Guide
Interviews
Quizzes
Home
Quizzes
Interviews Data Warehouse Job Interviews:Ab InitioActuateAnalysis ServicesBO DesignerBusiness ObjectsCognos Data WarehouseColdFusionCrystal Enterprise SuiteData IntegrationData ScientistData StageData Warehouse AnalystData Warehouse BIData Warehouse Data MartData Warehouse DeveloperData Warehouse ManagerData Warehouse SupervisorData Warehouses MicroStrategyData WarehousingData Warehousing BasicsDatabase PartitioningEnterprise Data WarehouseETL (Extract, transform, load)General DatawarehousingHyperionImpromptuInformatica Data WarehousingLead Data ScientistMicro StrategyOperational Data StoreReportnetSAS (Statistical Analysis System)Warehouse AssistantWarehouse ConceptsWarehouse DataStageWarehouse Operation ManagerWarehouse Worker
Copyright © 2018. All Rights Reserved
Data Warehousing Basics Interview Question:
Explain Difference between E-R Modeling and Dimentional Modeling?
Submitted by: AdministratorBasic diff is E-R modeling will have logical and physical model. Dimensional model will have only physical model.
E-R modeling is used for normalizing the OLTP database design.
Dimensional modeling is used for de-normalizing the ROLAP/MOLAP design.
Submitted by: Administrator
E-R modeling is used for normalizing the OLTP database design.
Dimensional modeling is used for de-normalizing the ROLAP/MOLAP design.
Submitted by: Administrator
Copyright 2007-2024 by Interview Questions Answers .ORG All Rights Reserved.
https://InterviewQuestionsAnswers.ORG.
https://InterviewQuestionsAnswers.ORG.