Difference between data retrieval and information retrieval
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Data retrieval means obtaining data from a Database Management System (DBMS) such as ODBMS. ... In order to retrieve the desired data the user present a set of criteria by a query. Then the DBMS selects the demanded data from the database. The retrieved data may be stored in a file, printed, or viewed on the screen.
Information retrieval (IR) is the science of searching for information in documents, searching for documents themselves, searching for metadata which describe documents, or searching within hypertext collections such as the Internet or intranets.
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