datawarehousing - DataWarehousing...

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Data Warehousing Building a database to support the  decision making activities of a  department or business unit
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EUC Data Architecture Enterprise Databae Data Warehouses Business Units
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Structure Infrastructure:  platforms, databases,  gateways, networks, front-end tools and  other components  Architecture:  components of a system and  the relationships among them 
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Needed Environment Understand DSS technology Understand relational databases Know company data resources Transformation and integration tools Possess DBA skills Install network and telecommunication hardware  and software Possess front end software Possess meta-data navigation tools
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Two Approaches Classical Enterprise Database Typically contains operational data that  integrates information from all areas of the  organization. Data Warehouse Extracted and managerial support data  designed for departmental or EUC  applications
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Data Warehouse vs Operational Databases Highly tuned Real time Data Detailed records Current values Accesses small  amounts of data in a 
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datawarehousing - DataWarehousing...

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