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