Data Warehousing

In computing, a data warehouse (DW or DWH), is a system used for reporting and for data analysis, and is considered a core component of business intelligence.  DWs are central repositories of integrated data from one or more disparate sources. They store current and historical data and are used for creating analytical reports for workers throughout the enterprise.

Examples of reports could range from annual and quarterly comparisons and trends to detailed daily sales analysis.

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