What is data aggregation?

Question

В объектно-ориентированном программировании под агрегированием подразумевают методику создания нового класса из уже существующих классов путём их включения. Об агрегировании также часто говорят как об «отношении принадлежности» по принципу «у. Википедия

What means data aggregation?

Data aggregation is any process whereby data is gathered and expressed in a summary form. When data is aggregated, atomic data rows -- typically gathered from multiple sources -- are replaced with totals or summary statistics.

What is data aggregation example?

For example, Google collects data in the form of cookies to show targeted advertisements to its users. Facebook is doing the same thing by collecting and analyzing the information and show ads to its users.

What is the purpose of data aggregation?

A process in which data is searched, gathered, and presented in a summarized, report-based form, data aggregation helps organizations to achieve specific business objectives or conduct process/human analysis at almost any scale.

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