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MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [5] is an open-source relational database management system (RDBMS). [5] [6] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [7] and "SQL", the acronym for Structured Query Language.
In 1995 he began writing the first version of the MySQL database with David Axmark, released in 1996. He is the co-author of the MySQL Reference Manual , published by O'Reilly in June 2002; and in 2003 he was awarded the Finnish Software Entrepreneur of the Year prize.
WebScaleSQL – software branch of MySQL 5.6 jointly developed by Facebook, Google, LinkedIn and Twitter to provide a centralized development structure for extending MySQL with new features specific to large-scale deployments, such as building large replicated databases running on server farms. The project's objective is to tightly follow new ...
Previously, MySQL Cluster version numbers were decoupled from those of MySQL Server - for example MySQL Cluster 7.6 was based on/contained the server component from MySQL 5.7. Higher versions of MySQL Cluster include all of the features of lower versions, plus some new features. Currently available versions:
MySQL AB was a Swedish software company founded in 1995. It was acquired by Sun Microsystems in 2008, [1] Sun was in turn acquired by Oracle Corporation in 2010. MySQL AB is the creator of MySQL, a relational database management system, as well as related products such as MySQL Cluster.
Note (3): "For other than InnoDB storage engines, MySQL Server parses and ignores the FOREIGN KEY and REFERENCES syntax in CREATE TABLE statements. The CHECK clause is parsed but ignored by all storage engines." [73] Note (4): Support for Unicode is new in version 10.0. Note (5): MySQL provides GUI interface through MySQL Workbench.
Examples include Python in 1991, Ruby in 1995, and Scala in 2003. In recent times, the most notable exceptions have been Java, ActionScript, C#, and Apple's Swift until version 2.2 was proprietary. Partly compatible open-source implementations have been developed for most, and in the case of Java, the main open-source implementation is by now ...
An opcode cache, Zend Opcache, is built into PHP since version 5.5. [236] Another example of a widely used opcode cache is the Alternative PHP Cache (APC), which is available as a PECL extension. [237] While Zend PHP is still the most popular implementation, several other implementations have been developed.