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A foreign key is a set of attributes in a table that refers to the primary key of another table, linking these two tables. In the context of relational databases, a foreign key is subject to an inclusion dependency constraint that the tuples consisting of the foreign key attributes in one relation, R, must also exist in some other (not necessarily distinct) relation, S; furthermore that those ...
Laravel 8 was released on September 8, 2020, with new features like Laravel Jetstream, model factory classes, migration squashing, Tailwind CSS for pagination views and other usability improvements. [19] Laravel 9 was released on February 8, 2022. [12] Laravel 10 was released on February 14, 2023. [20] Laravel 11 was released on March 12, 2024.
PostgreSQL is available for the following operating systems: Linux (all recent distributions), 64-bit ARM and x86-64 installers available and tested for macOS version 10.14 and newer [89], Windows (with installers available and tested for 64-bit Windows Server 2022 and 2016 [90]), FreeBSD, OpenBSD, [91] NetBSD, DragonFlyBSD, and these without ...
[9] Storage: Store electronic documents. Storage of the documents often includes management of those same documents; where they are stored, for how long, migration of the documents from one storage media to another (hierarchical storage management) and eventual document destruction. Retrieval: Retrieve the electronic documents from the storage.
PHP can also be used for writing desktop graphical user interface (GUI) applications, by using the "PHP Desktop". GitHub. or discontinued PHP-GTK extension. PHP-GTK is not included in the official PHP distribution, [268] and as an extension, it can be used only with PHP versions 5.1.0 and newer. The most common way of installing PHP-GTK is by ...
Users of Stack Overflow can earn reputation points and "badges"; for example, a person is awarded 10 reputation points for receiving an "up" vote on a question or an answer to a question, [12] and can receive badges for their valued contributions, [13] which represents a gamification of the traditional Q&A website. Users unlock new privileges ...
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
The Office Open XML file formats are a set of file formats that can be used to represent electronic office documents. There are formats for word processing documents, spreadsheets and presentations as well as specific formats for material such as mathematical formulas, graphics, bibliographies etc.