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