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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).
Query, a precise request for information retrieval made to a database, data structure or information system Query language, a computer language used to make queries into databases and information systems; Query string, in the World Wide Web, is an optional part of a URL; Web search query, a query entered by users into web search engines
The information need can be specified in the form of a search query. In the case of document retrieval, queries can be based on full-text or other content-based indexing. Information retrieval is the science [ 1 ] of searching for information in a document, searching for documents themselves, and also searching for the metadata that describes ...
Modern Standard Hindi (आधुनिक मानक हिन्दी, Ādhunik Mānak Hindī), [9] commonly referred to as Hindi, is the standardised variety of the Hindustani language written in the Devanagari script. It is the official language of India alongside English and the lingua franca of North India.
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Romanised Hindi has been supported by advertisers in part because it allows a message to be conveyed in a neutral script to both Hindi and Urdu speakers. [41] Other reasons for adoption of Romanised Hindi are the prevalence of Roman-script digital keyboards and corresponding lack of Indic-script keyboards in most mobile phones.
Content-based image retrieval, also known as query by image content and content-based visual information retrieval (CBVIR), is the application of computer vision techniques to the image retrieval problem, that is, the problem of searching for digital images in large databases (see this survey [1] for a scientific overview of the CBIR field).
A web query or web search query is a query that a user enters into a web search engine to satisfy their information needs.