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Week Eight: Chapter Nine: Business Intelligence Systems (9.4 What are…
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Data extraction / cleaning / preparation programs
- programs read operational and other data and extract, clean and prepare those data for BI processing
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Data warehouse DBMS
- prepared data stored in a data warehouse using a data warehouse DBMS
- include data that are purchased from outside sources
Data warehouse metadata
Data warehouse database
- metadata concerning the data (source, format, assumptions, constraints and other facts) kept in data warehouse metadata database
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