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:
What is metadata in context of a Datawarehouse and how it is important?
Submitted by: AdministratorMeta data is the data about data; Business Analyst or data modeler usually capture information about data - the source (where and how the data is originated), nature of data (char, varchar, nullable, existance, valid values etc) and behavior of data (how it is modified / derived and the life cycle ) in data dictionary a.k.a metadata. Metadata is also presented at the Datamart level, subsets, fact and dimensions, ODS etc. For a DW user, metadata provides vital information for analysis / DSS.
Submitted by: Administrator
Submitted by: Administrator
Copyright 2007-2024 by Interview Questions Answers .ORG All Rights Reserved.
https://InterviewQuestionsAnswers.ORG.
https://InterviewQuestionsAnswers.ORG.