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