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
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...
2 KB (221 words) - 09:09, 4 September 2024
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
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 (4,046 words) - 07:38, 24 June 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...
15 KB (1,959 words) - 12:30, 14 July 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...
4 KB (475 words) - 21:00, 21 June 2024
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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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...
22 KB (2,567 words) - 06:25, 2 July 2025
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...
17 KB (2,359 words) - 14:41, 20 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 (348 words) - 11:50, 11 July 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...
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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...
15 KB (1,922 words) - 02:45, 12 January 2025
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...
2 KB (257 words) - 12:18, 27 June 2024
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...
2 KB (277 words) - 15:25, 2 January 2024
record pattern Data manipulation language Input/output ACID Query by Example Command–query separation Scaffold (programming) Martin, James (1983). Managing...
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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) - 05:28, 22 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...
53 KB (4,715 words) - 05:34, 14 July 2025
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...
47 KB (4,983 words) - 11:00, 27 June 2025
Dig (command) (section Example usage)
this example, dig is used to query for any type of record information in the domain example.com: $ dig example.com any ; <<>> DiG 9.6.1 <<>> example.com...
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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...
78 KB (9,882 words) - 04:46, 9 July 2025
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 (2,891 words) - 16:02, 9 July 2025
results but execute with better performance (for example, faster, or with lower memory use). Query rewriting can be based on relational algebra or an...
4 KB (474 words) - 20:40, 5 December 2024
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
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...
40 KB (4,454 words) - 10:04, 8 July 2025
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
A query-level feature or QLF is a ranking feature utilized in a machine-learned ranking algorithm. Example QLFs: How many times has this query been run...
402 bytes (56 words) - 20:03, 24 December 2022
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"...
12 KB (1,165 words) - 03:23, 30 June 2025
Transformer (deep learning architecture) (redirect from Grouped-query attention)
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 (13,107 words) - 19:01, 26 June 2025
Snowflake schema (category Articles with example SQL code)
following example query is the snowflake schema equivalent of the star schema example code which returns the total number of television units sold by brand...
8 KB (1,015 words) - 11:50, 23 April 2025