Relacionar Columnas Data WarehouseVersión en línea Data Warehouse por Ray Larkin 1 Focus 2 Setup Time 3 Data Sources 4 Decision Types 5 Size 6 Data Held 7 Normalization 8 Cost Modern warehouses are mostly denormalized for quicker data querying and read performance 100 GB minimum but often in the range of terabytes for large organizations Many external and internal sources from different areas of an organization Varies but often greater than $100,000; for cloud solutions costs can be dramatically lower as organizations pay per use At least a year for on-premise warehouses; cloud data warehouses are much quicker to set up Enterprise-wide repository of disparate data sources Raw data, metadata, and summary data Strategic decisions that affect the entire enterprise
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