Data Warehouse

Data Warehouse

1. Recursos de datos Data sources

   • Internal sources
     • Operational databases
       • External sources

2. Back end tier

   • Data standing
     • Processo ETL

3. Data warehouse tier

   • Metadata
     • Enterprice data warehouse
       • Data marts
   • Nivel del datawarehouse

4. OLAP tier

   • OLAP tier

5. Front - end tier

   • OLAP tools
     • Reporting tools
       • Statistical tools
         • datamining tools