Matching Pairs Data WarehouseOnline version Data Warehouse by Ray Larkin 1 Focus 2 Decision Types 3 Data Sources 4 Size 5 Setup Time 6 Data Held 7 Cost 8 Normalization 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 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 Raw data, metadata, and summary data Modern warehouses are mostly denormalized for quicker data querying and read performance Strategic decisions that affect the entire enterprise