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