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