Components of a Data-Warehouse

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Components of a Data-Warehouse

  1. 1. COMPONENTS OF A DATA-WAREHOUSE:The primary components of a data-warehouse are1. Source data component Production data internal data Archived data External data2. Data staging component Extraction of data Transformation of data Synonyms Homonyms Loading of data3. Data storage component4. Information delivery component Novice users Casual users Business analyst Power user Senior executives5. Meta-data component Operational meta-data Transformational meta-data End user meta-data6. Management & control component
  2. 2. Figure 1: Components of a Data-warehouseManagement& ControlComponentMeta DataComponentInformationDeliveryComponentData StorageComponentData StagingComponentSource DataComponentComponents of Data ware houseProductionData Novice UsersHomonymsSynonymsTransformationof DataExtraction ofDataExternalDataArchivedDataInternalDataLoading ofDataEnd UserMeta DataTransformationMeta DataOperationalMeta DataSeniorExecutivePower UsersBusinessAnalystCasual Users

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