Query language

Types

Examples

• , the graph query language for the OpenCog graph database, the .
• Attempto Controlled English is a query language that is also a controlled natural language.
• AQL is a query language for the ArangoDB native multi-model database system.
• .QL is a proprietary object-oriented query language for querying relational databases; successor of Datalog;
• Contextual Query Language a formal language for representing queries to information retrieval systems such as web indexes or bibliographic catalogues.
• CQLF is a query language for CODASYL-type databases;
• Concept-Oriented Query Language is used in the concept-oriented model. It is based on a novel data modeling construct, concept, and uses such operations as projection and de-projection for multi-dimensional analysis, analytical operations and inference;
• Cypher is a query language for the Neo4j graph database;
• DMX is a query language for data mining models;
• Datalog is a query language for deductive databases;
• Discovery Query Language is a query language for accessing Watson Discovery Services on IBM Cloud;
• F-logic is a declarative object-oriented language for deductive databases and knowledge representation.
• FQL enables you to use a SQL-style interface to query the data exposed by the Graph API. It provides advanced features not available in the Graph API.
• Gellish English is a language that can be used for queries in Gellish English Databases, for dialogues as well as for information modeling and knowledge modeling;
• Gremlin is an Apache Software Foundation graph traversal language for OLTP and OLAP graph systems.
• GraphQL is a data query language developed by Facebook as an alternate to REST and ad-hoc webservice architectures.
• HTSQL is a query language that translates HTTP queries to SQL;
• ISBL is a query language for PRTV, one of the earliest relational database management systems;
• Jaql is a functional data processing and query language most commonly used for JSON query processing;
• JSONiq is a declarative query language designed for collections of JSON documents;
• LINQ query-expressions is a way to query various data sources from.NET languages
• LDAP is an application protocol for querying and modifying directory services running over TCP/IP;
• LogiQL is a variant of Datalog and is the query language for the LogicBlox system.
• MQL is a cheminformatics query language for a substructure search allowing beside nominal properties also numerical properties;
• MDX is a query language for OLAP databases;
• N1QL is a Couchbase's query language finding data in Couchbase Servers;
• OQL is Object Query Language;
• OCL. Despite its name, OCL is also an object query language and an OMG standard;
• OPath, intended for use in querying WinFS Stores;
• OttoQL, intended for querying tables, XML, and databases;
• Poliqarp Query Language is a special query language designed to analyze annotated text. Used in the Poliqarp search engine;
• PQL is a special-purpose programming language for managing process models based on information about that these models describe;
• PTQL based on relational queries over program traces, allowing programmers to write expressive, declarative queries about program behavior.
• QUEL is a relational database access language, similar in most ways to SQL;
• RDQL is a RDF query language;
• ReQL is a query language used in ;
• SMARTS is the cheminformatics standard for a substructure search;
• SPARQL is a query language for RDF graphs;
• SPL is a search language for machine-generated big data, based upon Unix Piping and SQL.
• SCL is the Software Control Language to query and manipulate Endevor objects
• SQL is a well known query language and data manipulation language for relational databases;
• SuprTool is a proprietary query language for SuprTool, a database access program used for accessing data in Image/SQL and Oracle databases;
• TMQL Topic Map Query Language is a query language for Topic Maps;
• TQL is a language used to
• Tutorial D is a query language for truly relational database management systems ;
• is a data processing language invented at Microsoft
• XQuery is a query language for XML data sources;
• XPath is a declarative language for navigating XML documents;
• XSPARQL is an integrated query language combining XQuery with SPARQL to query both XML and RDF data sources at once;
• YQL is an SQL-like query language created by Yahoo!
• Search engine query languages, e.g., as used by Google or Bing