• Look up query in Wiktionary, the free dictionary. In general, a query is a form of questioning, in a line of inquiry. Query may also refer to: Query, a precise...
    1 KB (201 words) - 17:12, 3 October 2024
  • A query string is a part of a uniform resource locator (URL) that assigns values to specified parameters. A query string commonly includes fields added...
    15 KB (1,959 words) - 18:41, 8 May 2025
  • Query complexity in computational complexity describes the number of queries needed to solve a computational problem for an input that can be accessed...
    1 KB (244 words) - 06:18, 26 March 2025
  • 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...
    8 KB (928 words) - 22:28, 2 February 2025
  • Search query may refer to: Database query Web search query Search engine (computing) This disambiguation page lists articles associated with the title...
    145 bytes (45 words) - 16:14, 29 April 2016
  • In descriptive complexity, a query is a mapping from structures of one signature to structures of another vocabulary. Neil Immerman, in his book Descriptive...
    2 KB (194 words) - 16:39, 14 January 2021
  • Query flooding is a method to search for a resource on a peer-to-peer network. It is simple and scales very poorly and thus is rarely used. Early versions...
    3 KB (404 words) - 17:47, 3 December 2024
  • Query rewriting is a typically automatic transformation that takes a set of database tables, views, and/or queries, usually indices, often gathered data...
    4 KB (474 words) - 20:40, 5 December 2024
  • Thumbnail for Database
    Database (redirect from Query Processing)
    considerations, including data modeling, efficient data representation and storage, query languages, security and privacy of sensitive data, and distributed computing...
    75 KB (9,580 words) - 06:27, 16 May 2025
  • A web query or web search query is a query that a user enters into a web search engine to satisfy their information needs. Web search queries are distinctive...
    10 KB (1,237 words) - 20:33, 25 March 2025
  • systems are equipped with the option of using SQL (Structured Query Language) for querying and updating the database. The concept of relational database...
    32 KB (3,869 words) - 06:09, 17 April 2025
  • A web query topic classification/categorization is a problem in information science. The task is to assign a web search query to one or more predefined...
    8 KB (1,099 words) - 22:29, 3 January 2025
  • A query plan (or query execution plan) is a sequence of steps used to access data in a SQL relational database management system. This is a specific case...
    6 KB (699 words) - 14:07, 14 January 2024
  • theory, a conjunctive query is a restricted form of first-order queries using the logical conjunction operator. Many first-order queries can be written as...
    15 KB (1,922 words) - 02:45, 12 January 2025
  • Thumbnail for Power Query
    Power Query is an ETL tool created by Microsoft for data extraction, loading and transformation, and is used to retrieve data from sources, process it...
    11 KB (1,088 words) - 14:00, 17 April 2025
  • Domain Name System (redirect from DNS query)
    recursive query to the DNS server run by the user's ISP. A recursive query is one for which the DNS server answers the query completely by querying other...
    69 KB (9,812 words) - 14:55, 16 May 2025
  • Query understanding is the process of inferring the intent of a search engine user by extracting semantic meaning from the searcher’s keywords. Query...
    6 KB (712 words) - 22:38, 27 October 2024
  • Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage...
    45 KB (4,009 words) - 10:38, 28 April 2025
  • execute a given query by considering the possible query plans. Generally, the query optimizer cannot be accessed directly by users: once queries are submitted...
    17 KB (2,222 words) - 17:08, 18 August 2024
  • Thumbnail for Wikidata
    Wikidata (redirect from Wikidata Query)
    of the Wikidata Query Service, which lets users run queries on the data contained in Wikidata. The service uses SPARQL as the query language. As of November...
    43 KB (3,682 words) - 00:36, 14 May 2025
  • Command-query separation (CQS) is a principle of imperative computer programming. It was devised by Bertrand Meyer as part of his pioneering work on the...
    7 KB (759 words) - 04:20, 29 February 2024
  • Query by humming (QbH) is a music retrieval system that branches off the original classification systems of title, artist, composer, and genre. It normally...
    2 KB (257 words) - 12:18, 27 June 2024
  • Media queries is a feature of CSS 3 allowing content rendering to adapt to different conditions such as screen resolution (e.g. mobile and desktop screen...
    7 KB (587 words) - 05:40, 25 May 2023
  • The Molecular Query Language (MQL) was designed to allow more complex, problem-specific search methods in chemoinformatics. In contrast to the widely...
    1 KB (114 words) - 02:15, 4 February 2018
  • Thumbnail for SQL injection
    it as a vulnerability that occurs when applications construct database queries using unvalidated user input. Exploiting this flaw, attackers can execute...
    47 KB (4,983 words) - 10:03, 1 May 2025
  • Microsoft Query is a visual method of creating database queries using examples based on a text string, the name of a document or a list of documents....
    2 KB (221 words) - 09:09, 4 September 2024
  • Thumbnail for Transformer (deep learning architecture)
    q_{i}=x_{i,{\text{query}}}W^{Q}} . The matrix of all query vectors is the query matrix: Q = X query W Q {\displaystyle Q=X_{\text{query}}W^{Q}} Similarly...
    106 KB (13,111 words) - 22:10, 8 May 2025
  • Query expansion (QE) is the process of reformulating a given query to improve retrieval performance in information retrieval operations, particularly in...
    11 KB (1,417 words) - 22:29, 17 March 2025
  • Query theory (QT) is a theory that proposes that preferences are constructed, rather than pre-stored and immediately retrievable (as assumed by many economic...
    6 KB (958 words) - 13:43, 5 May 2023
  • databases and specifically in graph databases, a regular path query or RPQ is a query asking for pairs of endpoints in the database that are connected...
    5 KB (658 words) - 16:22, 2 June 2024