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Data Warehousing Training AT Oracle Training

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Data Warehousing Course ContentIntroduction to the Data warehousingWhat Is Data warehousing?Who needs Data warehouse?Why Data warehouse is required?Types of the Systems(i)OLTP (ii) DSSMaintenance of Data warehouseData warehousing Life cycleData warehousing Testing Ute Cycle

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The Data warehousing ArchitectureSourceIntegration LayerStaging AreaTargetsAnalysis & ReportingHPQS

Data ModellingIntroductionDifferent Phases of the Modelling

Multi-Dimensional ModellingWhat Is a Dimension?What are the Facts?Multi-Dimensional ModelHierarchies

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The Dimensional TablesSnow flake SchemaFact less Fact TableConfirmed DimensionsMapping Source Qualifier as FilterSource qualifier to join DataFilter TransformationThe Expression TransformationSequence Generator TransformationRank TransformationRouter TransformationThe Aggregation TransformationJoiner TransformationStored procedure Transformation (Connected & Unconnected)The Union TransformationXMl TransformationMapping WizardsImplementing Type-I, Type-II, Type-IIIMappings

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