Relacionar Columnas Data WarehouseVersión en línea Data Warehouse por Ray Larkin 1 Data Sources 2 Size 3 Focus 4 Setup Time 5 Cost 6 Normalization 7 Data Held 8 Decision Types At least a year for on-premise warehouses; cloud data warehouses are much quicker to set up 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 Enterprise-wide repository of disparate data sources 100 GB minimum but often in the range of terabytes for large organizations Strategic decisions that affect the entire enterprise Modern warehouses are mostly denormalized for quicker data querying and read performance Raw data, metadata, and summary data
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