Relier Pairs Data WarehouseVersion en ligne Data Warehouse par Ray Larkin 1 Setup Time 2 Data Sources 3 Normalization 4 Focus 5 Cost 6 Decision Types 7 Size 8 Data Held 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 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 Strategic decisions that affect the entire enterprise 100 GB minimum but often in the range of terabytes for large organizations Enterprise-wide repository of disparate data sources Modern warehouses are mostly denormalized for quicker data querying and read performance