Query by Example (QBE) is a database query language for relational databases. Query by Example was devised by Moshé M. Zloof at IBM Research during the...
8 KB (923 words) - 07:04, 31 May 2025
the query string. Web frameworks may provide methods for parsing multiple parameters in the query string, separated by some delimiter. In the example URL...
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Content-based image retrieval (redirect from Query by image content)
update] Different query techniques and implementations of CBIR make use of different types of user queries. QBE (Query By Example) is a query technique that...
29 KB (3,080 words) - 14:51, 15 September 2024
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. The...
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SQL (redirect from Structured Query Language)
Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage...
45 KB (4,047 words) - 08:39, 14 June 2025
Multimedia search (section Query by example)
media descriptions (for example, elimination of Redundancy) Categorization of media descriptions into classes. In query by example, the element used to search...
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systems, query languages rely on strict theory to retrieve information. A well known example is the Structured Query Language (SQL). Broadly, query languages...
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Domain Name System (redirect from DNS query)
gives answers to DNS queries from data that have been configured by an original source, for example, the domain administrator or by dynamic DNS methods...
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(input query) and comparing it to an existing database. The system then returns a ranked list of music closest to the input query. One example of this...
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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...
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SPARQL (redirect from SPARQL Protocol and RDF Query Language)
SPARQL query for a SPARQL endpoint, for example ViziQuer. In addition, tools exist to translate SPARQL queries to other query languages, for example to SQL...
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or viewed on the screen. A query language, like for example Structured Query Language (SQL), is used to prepare the queries. SQL is an American National...
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part without a query part may also be referred to as a 'clean URL,' whose last part may be a 'slug.' An optional query component preceded by a question mark...
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SQL injection (redirect from Parametrized query)
screen. As an example, a book review website uses a query string to determine which book review to display. So the URL https://books.example.com/review?id=5...
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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
Nearest neighbor search (redirect from Closest point query)
Particular examples include vp-tree and BK-tree methods. Using a set of points taken from a 3-dimensional space and put into a BSP tree, and given a query point...
27 KB (3,341 words) - 23:04, 19 June 2025
graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. A key concept...
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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...
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results but execute with better performance (for example, faster, or with lower memory use). Query rewriting can be based on relational algebra or an...
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record pattern Data manipulation language Input/output ACID Query by Example Command–query separation Scaffold (programming) Martin, James (1983). Managing...
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design and implementation of visual Query by Example that was supported by an AI engine for heuristic, dynamic query optimization. Effective use of conventional...
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Reverse image search (redirect from Search by image)
Typically, this type of search engine uses techniques of query by example or Image query by example, which use the content, shape, texture and color of the...
24 KB (2,834 words) - 04:12, 29 May 2025
IBM Db2 (redirect from IBM PureQuery)
parallel with the development of SQL, IBM also developed Query by Example (QBE), the first graphical query language. IBM's first commercial relational-database...
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Database (redirect from Query Processing)
techniques, query languages and query optimization methods, RAID, and more. The database research area has several dedicated academic journals (for example, ACM...
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Uniform Resource Identifier (section Example URIs)
path, query and fragment, and the generic reserved character ? may be used in the query and fragment.: §A The following figure displays example URIs and...
38 KB (4,555 words) - 17:35, 14 June 2025
the most simple case of PbD is the macro recorder. Query by Example Automated machine learning Example-based machine translation Inductive programming Lapis...
3 KB (345 words) - 22:06, 31 March 2021
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...
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GraphQL (category Query languages)
GraphiQL, Apollo Studio, GraphQL Hive, GraphQL Editor, and Step CI. Query by Example OpenAPI Specification Microservices "GraphQL October 2021 Release Notes"...
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to the query on the database. If the queries are Boolean queries, i.e., queries have a yes or no answer (for example, Boolean conjunctive queries) then...
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query. For example, a rule may specify that any polygon must be at least n nanometers from any other polygon. This is converted into a geometry query...
6 KB (1,001 words) - 10:32, 3 December 2024