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etimología

Qué (quién) es show-by-example - definición

DEVISED BY MOSHÉ M. ZLOOF AT IBM RESEARCH DURING THE MID-1970S

Query-by-Example; Query By Example; Query-by-example; Query by example

Query By Example

<database, language> (QBE) A user-friendly query language developed by Moshé Zloof of IBM in 1975. By Exampleley/db/indices/a-tree/z/Zloof:Mosh=eacute=_M=.html">http://informatik.uni-trier.de/Query By Exampleley/db/indices/a-tree/z/Zloof:Mosh=eacute=_M=.html. [Moshé M. Zloof, "Query By Example", AFIPS NCC 1975: 431-438]. [Moshé M. Zloof, "Query-by-Example: A Data Base Language", IBM Systems Journal 16(4): 324-343, 1977]. ["QBE/OBE: A Language for Office and Business Automation", M.M. Zloof, Computer pp.13-22, May 1981]. (2001-03-25)

Query by Example

Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M.

https://en.wikipedia.org/wiki/Query_by_Example

Minimal reproducible example

SNIPPET OF SOURCE CODE THAT ALLOWS A BUG OR PROBLEM TO BE DEMONSTRATED AND REPRODUCED

Minimal Working Example; Minimal working example; Minimal workable example; Minimal complete verifiable example; Short self-contained correct example; Min-reprex

In computing, a minimal reproducible example (abbreviated MRE) is a collection of source code and other data files which allow a bug or problem to be demonstrated and reproduced. The important feature of a minimal reproducible example is that it is as small and as simple as possible, such that it is just sufficient to demonstrate the problem, but without any additional complexity or dependencies which will make resolution harder.

https://en.wikipedia.org/wiki/Minimal_reproducible_example

Wikipedia

Query by Example

Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL. It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions. Many graphical front-ends for databases use the ideas from QBE today. Originally limited only for the purpose of retrieving data, QBE was later extended to allow other operations, such as inserts, deletes and updates, as well as creation of temporary tables.

The motivation behind QBE is that a parser can convert the user's actions into statements expressed in a database manipulation language, such as SQL. Behind the scenes, it is this statement that is actually executed. A suitably comprehensive front-end can minimize the burden on the user to remember the finer details of SQL, and it is easier and more productive for end-users (and even programmers) to select tables and columns by selecting them rather than typing in their names.

In the context of information retrieval, QBE has a somewhat different meaning. The user can submit a document, or several documents, and ask for "similar" documents to be retrieved from a document database [see search by multiple examples]. Similarity search is based comparing document vectors (see Vector Space Model).

QBE represents seminal work in end-user development, frequently cited in research papers as an early example of this topic.

Currently, QBE is supported in several relational database front ends, notably Microsoft Access, which implements "Visual Query by Example", as well as Microsoft SQL Server Enterprise Manager. It is also implemented in several object-oriented databases (e.g. in db4o).

QBE is based on the logical formalism called tableau query, although QBE adds some extensions to that, much like SQL is based on the relational algebra.

https://en.wikipedia.org/wiki/Query by Example

Ejemplos de uso de show-by-example

1. Managers also have to show by example that they do not expect employees to shed their moral values when they walk through the company door.

2. And here‘s what he said: There is no violence, cruelty, chaos, or viciousness on behalf of religion, including Islam.‘‘ In Malaysia, Prime Minister Badawi is working to promote what he calls Islam Hadhari‘‘ – or Civilization Islam.‘‘ He‘s called on his fellow Malaysians to show by example that a Muslim country can be modern and democratic and tolerant, and economically competitive.‘‘ In the Philippines, President Arroyo has reached out to Muslim leaders and has called the Filipinos to oppose terrorists who kill, bomb, and maim to enforce an ideology of evil.‘‘ A group of leading Filipino Islamic jurists issued a joint sermon declaring, Islam and terrorism stand on the opposite ends of the moral spectrum.

3. He calls it Islam Hadhari, or «civilizational» Islam. «We in Malaysia would like to show by example that a Muslim country can be modern, democratic, tolerant and economically competitive,» Badawi said during the OIC summit in Makkah in December. «Islam does not enjoin us to turn our backs on the rest of the world.» «Malaysia’s importance stems from the fact that the entire Muslim world views it as a successful model of a modern Islamic state,» said Abdulaziz Sager, chairman of the Gulf Research Center, based in Dubai. «As the leader of the Islamic world that houses the holiest mosques, Saudi Arabia is grappling with the process of internalizing the virtues of moderation and modernization under the leadership of King Abdullah,» Sages said in an article published Sunday. «Drawing from the reservoir of Malaysia’s experience could not only prove beneficial to Saudi Arabia, but also chart a peaceful, progressive and prosperous road map to the entire Islamic world,» he wrote.