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GraphQL is a data query and manipulation language for APIs that allows a client to specify what data it needs ("declarative data fetching"). A GraphQL server can fetch data from separate sources for a single client query and present the results in a unified graph . [ 2 ]
In September 2019 a proposal for a project to create a new standard graph query language (ISO/IEC 39075 Information Technology — Database Languages — GQL) [3] was approved by a vote of national standards bodies which are members of ISO/IEC Joint Technical Committee 1(ISO/IEC JTC 1).
An open-access e-book entitled Engineering Agile Big-Data Systems was published on completion of the ALIGNED project. [6] Version 1.0 was released in October 2019. [7] TerminusDB was first released under the GPLv3 license with the client libraries released with the Apache 2 license. With v4.0, which was released in December 2020, TerminusDB ...
Cypher is a declarative graph query language that allows for expressive and efficient data querying in a property graph. [1]Cypher was largely an invention of Andrés Taylor while working for Neo4j, Inc. (formerly Neo Technology) in 2011. [2]
The tools listed here support emulating [1] or simulating APIs and software systems.They are also called [2] API mocking tools, service virtualization tools, over the wire test doubles and tools for stubbing and mocking HTTP(S) and other protocols. [1]
Broadly, query languages can be classified according to whether they are database query languages or information retrieval query languages. The difference is that a database query language attempts to give factual answers to factual questions, while an information retrieval query language attempts to find documents containing information that is relevant to an area of inquiry.
Graph query languages, such as Cypher Query Language, GraphQL, and Gremlin, are designed to query graph databases, of which RDF data stores are an example. [13] The Topic Map Query Language (TMQL) [14] is a query language for topic maps, a data representation similar to but more general than RDF.
GraphQL is a specific query and API language. It is the focus of tailored testing techniques. It is the focus of tailored testing techniques. Search-based test generation yields good results to generate test cases for GraphQL APIs.