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MySQL was created by a Swedish company, MySQL AB, founded by Swedes David Axmark and Allan Larsson, along with Finnish Michael "Monty" Widenius. Original development of MySQL by Widenius and Axmark began in 1994. [23] The first version of MySQL appeared on 23 May 1995.
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:
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Ulf Michael Widenius (born 3 March 1962), also known as Monty, is a Finnish software programmer. He is the main author of the original version of the open source MySQL database, a founding member of the MySQL AB company, founding member of the MariaDB Foundation and CTO of the MariaDB Company.
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 ...
An opcode cache, Zend Opcache, is built into PHP since version 5.5. [237] Another example of a widely used opcode cache is the Alternative PHP Cache (APC), which is available as a PECL extension. [238] While Zend PHP is still the most popular implementation, several other implementations have been developed.
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.
MySQLi is an improved version of the older PHP MySQL driver, offering various benefits. [3] The authors of the PHP scripting language recommend using MySQLi when dealing with MySQL server versions 4.1.3 and newer (takes advantage of new functionality). [3]