query language
Sign in to saveAlso 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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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.