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query language

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Also known as DQLs, DQL, database query language

computer language used to make queries into databases and information systems such as SQL or XQuery

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Category:Query languages
Commons category
Query languages
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Template:Query languages
ACM Classification Code (2012)
10003197
model item
XQuery
P13411
December
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Encyclopedic overview

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A query language, also known as data query language or database query language (DQL), is a computer language used to make queries in databases and information systems. In database systems, query languages rely on strict theory to retrieve information. A well known example is the Structured Query Language (SQL).

Excerpted from Wikipedia’s “query language” article, available under the CC BY-SA 4.0 licence.