Cosa (chi) è Query languages - definizione

COMPUTER LANGUAGE USED TO MAKE QUERIES INTO DATABASES AND INFORMATION SYSTEMS SUCH AS SQL OR XQUERY

Database query language; Information retrieval query language; Query languages; Query structure; Relational database querying; List of query languages; List of data query languages; List of database query languages

database query language

<database> A language in which users of a database can (interactively) formulate requests and generate reports. The best known is SQL. (1998-04-15)

Information retrieval query language

An information retrieval (IR) query language is a query language used to make queries into search index. A query language is formally defined in a context-free grammar (CFG) and can be used by users in a textual, visual/UI or speech form.

https://en.wikipedia.org/wiki/Information_retrieval_query_language

RDF query language

PROGRAMMING LANGUAGE ALLOWING EASY QUERYING ON RDF GRAPHS

RDQL; RDF query languages

An RDF query language is a computer language, specifically a query language for databases, able to retrieve and manipulate data stored in Resource Description Framework (RDF) format.

https://en.wikipedia.org/wiki/RDF_query_language

Wikipedia

Query language

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. A well known example is the Structured Query Language (SQL).

https://en.wikipedia.org/wiki/Query language