Skip to content
EntityQ845739· pop 34· linked from 448 articles

query language

Sign in to save

Also known as DQLs, DQL, database query language

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

~7 min read

Encyclopedic overview

(Learn how and when to remove this message)

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.