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