Relier Pairs Data WarehouseVersion en ligne Data Warehouse par Ray Larkin 1 Size 2 Cost 3 Focus 4 Data Sources 5 Decision Types 6 Data Held 7 Setup Time 8 Normalization 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 Enterprise-wide repository of disparate data sources 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 Modern warehouses are mostly denormalized for quicker data querying and read performance At least a year for on-premise warehouses; cloud data warehouses are much quicker to set up