Question

please tell the answer​

Answer 1

A data source is the location where data that is being used originates from.

A data source may be the initial location where data is born or where physical information is first digitized, however even the most refined data may serve as a source, as long as another process accesses and utilizes it. Concretely, a data source may be a database, a flat file, live measurements from physical devices, scraped web data, or any of the myriad static and streaming data services which abound across the internet.

Here’s an example of a data source in action. Imagine a fashion brand selling products online. To display whether an item is out of stock, the website gets information from an inventory database. In this case, the inventory tables are a data source, accessed by the web application which serves the website to customers.

Focusing on how the term is used in the familiar database management context will help to clarify what kinds of data sources exist, how they work, and when they are useful.

Answer 2

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