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Tag archive for ‘Bill Inmon’

I've noticed a fair bit of search traffic focusing on cost questions, particularly which is cheaper; a series of data marts or a single enterprise data warehouse.  I think it's a bit like the question of lease vs buy.  Starting off building a single departmental data mart will represent a much smaller cash flow out. […]

  • A Cost comparision between Data Marts and a Data Warehouse

    I've noticed a fair bit of search traffic focusing on cost questions, particularly which is cheaper; a series of data marts or a single enterprise data warehouse.  I think it's a bit like the question of lease vs buy.  Starting off building a single departmental data mart will represent a much smaller cash flow out. […]

  • Data Warehouse vs Data Mart

    Very often, the question is asked- what's the difference between a data mart and a data warehouse- which of them do I need? Data warehouse or Data Mart? Data Warehouse: Holds multiple subject areas Holds very detailed information Works to integrate all data sources Does not necessarily use a dimensional model but feeds dimensional models. […]