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