What do you mean by query
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Query, a precise request for information retrieval with database and information systems. Query language, a computer language used to make queries into databases and information systems.
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A query is a request for data or information from a database table or combination of tables. This data may be generated as results returned by Structured Query Language (SQL) or as pictorials, graphs or complex results, e.g., trend analyses from data-mining tools.
One of several different query languages may be used to perform a range of simple to complex database queries.
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