Computer language used to make queries into databases and information systems
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages)
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Query language" – news · newspapers · books · scholar · JSTOR(October 2010) (Learn how and when to remove this template message)
This article lacks an overview of its topic. You can help by writing the lead section.(April 2018)
(Learn how and when to remove this template 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.[1] A well known example is the Structured Query Language (SQL).
^Schmitt, Ingo (January 2008). "QQL: A DB&IR Query Language". The VDLB Journal 17. 17: 39–56. doi:10.1007/s00778-007-0070-1. S2CID 207032530 – via ACM Digital Library.
A querylanguage, also known as data querylanguage or database querylanguage (DQL), is a computer language used to make queries in databases and information...
GQL (Graph QueryLanguage) is a standard graph querylanguage published 2024-04-12 as ISO/IEC 39075:2024. The GQL project is the culmination of converging...
Language Integrated Query (LINQ, pronounced "link") is a Microsoft .NET Framework component that adds native data querying capabilities to .NET languages...
querylanguage (DQL) is part of the base grouping of SQL sub-languages. These sub-languages are mainly categorized into four categories: a data query...
Object QueryLanguage (OQL) is a querylanguage standard for object-oriented databases modeled after SQL and developed by the Object Data Management Group...
An RDF querylanguage is a computer language, specifically a querylanguage for databases, able to retrieve and manipulate data stored in Resource Description...
Facebook QueryLanguage (FQL) is a querylanguage that allows querying Facebook user data by using a SQL-style interface, avoiding the need to use the...
Structured QueryLanguage (SQL) (/ˌɛsˌkjuːˈɛl/ S-Q-L, often /ˈsiːkwəl/ "sequel" for historical reasons[clarification needed]) is a domain-specific language used...
Contextual QueryLanguage (CQL), previously known as Common QueryLanguage, is a formal language for representing queries to information retrieval systems...
Structured QueryLanguage (SQL) for declaring tables, columns, data types and constraints. SQL-92 introduced a schema manipulation language and schema...
structure or information system Querylanguage, a computer language used to make queries into databases and information systems Query string, in the World Wide...
including data modeling, efficient data representation and storage, querylanguages, security and privacy of sensitive data, and distributed computing...
control language Data definition language Data querylanguage Chatham, Mark (2012). Structured QueryLanguage By Example - Volume I: Data QueryLanguage. Lulu...
Michael Widenius's daughter My, and "SQL", the acronym for Structured QueryLanguage. A relational database organizes data into one or more data tables in...
acronym for SPARQL Protocol and RDF QueryLanguage) is an RDF querylanguage—that is, a semantic querylanguage for databases—able to retrieve and manipulate...
QUEL is a relational database querylanguage, based on tuple relational calculus, with some similarities to SQL. It was created as a part of the Ingres...
of the query, searches for its various variations and formulations. The Yandex search takes into account the morphology of the Russian language, therefore...
Astronomical Data QueryLanguage (ADQL) is a language for astronomical data query based on SQL 92. ADQL is a specialized variant of the SQL querylanguage adapted...
multi-vendor querylanguages like Gremlin, SPARQL, and Cypher. In September 2019 a proposal for a project to create a new standard graph querylanguage (ISO/IEC...
online schema changes 0.8, released Jun 2 2011, added the Cassandra QueryLanguage (CQL), self-tuning memtables, and support for zero-downtime upgrades...
or viewed on the screen. A querylanguage, like for example Structured QueryLanguage (SQL), is used to prepare the queries. SQL is an American National...
Query by Example (QBE) is a database querylanguage for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in...
since been named Power Query again. Power Query is built on what was then[when?] a new querylanguage called M. It is a mashup language (hence the letter M)...
Global Information
