6.5: Business Intelligence Systems and Data Warehouse

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Business Intelligence (BI) Systems are any database system that has data, programs, and personnel and are specialized for the preparation of data for BI processing. A Data Warehouse is a system used for reporting and data analysis, and is considered a core component of business intelligence. This includes day-to-day transactions and other internal data or external data from sources by the Extract, Transform, and load (ETL) System.

Database SKUs (A stock-keeping unit (SKU) is a scannable bar code, most often seen printed on product labels in a retail store) where the primary key consists of one or more column will uniquely identify each row or record in the table. Some tables may have one or more foreign keys that are used to create relationship between tables logically link the tables together.