As William Emmanuel Yu has mentioned - it is Data-Warehouse. The reason being:Most of the data-warehouses are populated using a basic or advanced ETL tool that does most clean-up/rejectAggregated de-normalized structure. Helps you un-tangle complex relationship between different objectsHowever - in data-warehouse, depending on business criteria you tend to aggregate datau00a0 - so chances are there you might miss some granular data if you need that sort of information in your inference