In a Data Warehouse, aggregate data dramatically reduces the time to query large sets of data. Developers pre-summarize queries that are regularly used, such as Weekly Sales across several Dimensions such as by Item Hierarchy or Geographical Hierarchy.
In economics, aggregate data or data aggregates describes high-level data that is composed from a multitude or combination of other more individual data.
- In macroeconomics, data such as the overall price level or overall inflation rate
- In microeconomics, data of an entire sector of an economy composed of many firms, or of all households in a city or region.
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