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