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.Written in,Available inorWebsiteMySQL ( 'My S-Q-L') is an (RDBMS). Its name is a combination of 'My', the name of co-founder 's daughter, and ', the abbreviation for.MySQL is under the terms of the, and is also available under a variety of licenses. MySQL was owned and sponsored by the company, which was bought by (now ). In 2010, when Oracle acquired Sun, Widenius the MySQL project to create.MySQL is a component of the (and ), which is an acronym for, MySQL, //. MySQL is used by many database-driven web applications, including,. MySQL is also used by many popular, including,.
Contents.Overview MySQL is written in. Its SQL parser is written in, but it uses a home-brewed. MySQL works on many, including, Warp, SCO, Sanos.
A port of MySQL to also exists.The MySQL server software itself and the client libraries use distribution. They are offered under GPL version 2, or a proprietary license.Support can be obtained from the official manual. Free support additionally is available in different IRC channels and forums. Oracle offers paid support via its MySQL Enterprise products. They differ in the scope of services and in price. Additionally, a number of third party organisations exist to provide support and services, including and.MySQL has received positive reviews, and reviewers noticed it 'performs extremely well in the average case' and that the 'developer interfaces are there, and the documentation (not to mention feedback in the real world via Web sites and the like) is very, very good'.
It has also been tested to be a 'fast, stable and true multi-user, multi-threaded sql database server'. David Axmark (left) and Michael 'Monty' Widenius, founders of MySQL AB, in 2003MySQL was created by a Swedish company, founded by, Allan Larsson and.Original development of MySQL by Widenius and Axmark began in 1994. The first version of MySQL appeared on 23 May 1995. It was initially created for personal usage from based on the low-level language, which the creators considered too slow and inflexible.
They created a new interface, while keeping the same as mSQL. By keeping the API consistent with the mSQL system, many developers were able to use MySQL instead of the (proprietarily licensed) mSQL antecedent. Work on version 6 stopped after the Sun Microsystems acquisition. The MySQL Cluster product uses version 7. The decision was made to jump to version 8 as the next major version number.
Legal disputes and acquisitions On 15 June 2001, sued MySQL AB, TcX DataKonsult AB and its original authors Michael ('Monty') Widenius and David Axmark in U.S District Court in Boston for 'breach of contract, with third party contracts and relationships and unfair competition'.In 2002, MySQL AB sued Progress NuSphere for and in. NuSphere had allegedly violated MySQL AB's copyright by linking MySQL's GPL'ed code with NuSphere Gemini table without being in compliance with the license. After a preliminary hearing before on 27 February 2002, the parties entered settlement talks and eventually settled. After the hearing, commented that 'Judge Saris made clear that she sees the GNU GPL to be an enforceable and binding license.' In October 2005, Oracle Corporation acquired OY, the company that developed the third-party InnoDB storage engine that allows MySQL to provide such functionality as transactions. After the acquisition, an Oracle mentioned that the contracts that make the company's software available to would be due for renewal (and presumably renegotiation) some time in 2006.
During the MySQL Users Conference in April 2006, MySQL AB issued a press release that confirmed that MySQL AB and Innobase OY agreed to a 'multi-year' extension of their licensing agreement.In February 2006, Oracle Corporation acquired, makers of the, a database engine providing the basis for another MySQL storage engine. This had little effect, as Berkeley DB was not widely used, and was dropped (due to lack of use) in MySQL 5.1.12, a pre-GA release of MySQL 5.1 released in October 2006.In January 2008, Sun Microsystems bought MySQL AB for $1 billion.In April 2009, Oracle Corporation entered into an agreement to purchase Sun Microsystems, then owners of MySQL copyright and trademark. Sun's board of directors unanimously approved the deal. It was also approved by Sun's shareholders, and by the U.S. Government on 20 August 2009. On 14 December 2009, Oracle pledged to continue to enhance MySQL as it had done for the previous four years.A movement against Oracle's acquisition of MySQL AB, to 'Save MySQL' from Oracle was started by one of the MySQL AB founders,. The petition of 50,000+ developers and users called upon the European Commission to block approval of the acquisition.
At the same time, some Free Software (including of, and, who also acted as co-counsel in the merger regulation procedure) advocated for the unconditional approval of the merger. As part of the negotiations with the European Commission, Oracle committed that MySQL server will continue until at least 2015 to use the dual-licensing strategy long used by MySQL AB, with proprietary and GPL versions available. The antitrust of the EU had been 'pressuring it to divest MySQL as a condition for approval of the merger'.
But, as revealed by, the, at the request of Oracle, pressured the EU to approve the merger unconditionally. The European Commission eventually unconditionally approved Oracle's acquisition of MySQL AB on 21 January 2010.In January 2010, before Oracle's acquisition of MySQL AB, Monty Widenius started a GPL-only,.
MariaDB is based on the same code base as MySQL server 5.5 and aims to maintain compatibility with Oracle-provided versions. Features MySQL is offered under two different editions: the MySQL Community Server and the proprietary. Software bundle, displayed here together with.Though MySQL began as a low-end alternative to more powerful proprietary databases, it has gradually evolved to support higher-scale needs as well. It is still most commonly used in small to medium scale single-server deployments, either as a component in a -based web application or as a standalone database server. Much of MySQL's appeal originates in its relative simplicity and ease of use, which is enabled by an ecosystem of open source tools such as.In the medium range, MySQL can be scaled by deploying it on more powerful hardware, such as a multi-processor server with gigabytes of memory.There are, however, limits to how far performance can scale on a single server ('scaling up'), so on larger scales, multi-server MySQL ('scaling out') deployments are required to provide improved performance and reliability. A typical high-end configuration can include a powerful master database which handles data write operations and is to multiple slaves that handle all read operations.
The master server continually pushes binlog events to connected slaves so in the event of failure a slave can be promoted to become the new master, minimizing downtime. Further improvements in performance can be achieved by caching the results from database queries in memory using, or breaking down a database into smaller chunks called which can be spread across a number of distributed server clusters. Backup software mysqldump is a logical backup tool included with both community and enterprise editions of MySQL. It supports backing up from all storage engines. MySQL Enterprise Backup is a hot backup utility included as part of the MySQL Enterprise subscription from Oracle, offering native InnoDB hot backup, as well as backup for other storage engines.XtraBackup is an open-source MySQL hot backup software program. Features include hot, non-locking backups for InnoDB storage, incremental backups, streaming, parallel-compressed backups, throttling based on the number of I/O operations per second, etc. High availability software Oracle MySQL offers a high availability solution with a mix of tools including the MySQL router and the MySQL shell.
They are based on Group Replication, open source tools.MariaDB offers a similar offer in terms of products Cloud deployment. Main article:MySQL can also be run on platforms such as,. Some common deployment models for MySQL on the cloud are:In this implementation, cloud users can upload a machine image of their own with MySQL installed, or use a ready-made machine image with an optimized installation of MySQL on it, such as the one provided by Amazon EC2.
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MySQL as a service Some cloud platforms offer MySQL 'as a service'. In this configuration, application owners do not have to install and maintain the MySQL database on their own.
Instead, the database service provider takes responsibility for installing and maintaining the database, and application owners pay according to their usage. Notable cloud-based MySQL services are the;,;;,.
(Note In this model the database service provider takes responsibility for maintaining the host and database) User interfaces Graphical user interfaces A (GUI) is a type of interface that allows users to interact with electronic devices or programs through graphical icons and visual indicators such as secondary notation, as opposed to text-based interfaces, typed command labels or text navigation. GUIs are easier to learn than command-line interfaces (CLIs), which require commands to be typed on the keyboard.Third-party proprietary and free graphical administration applications (or 'front ends') are available that integrate with MySQL and enable users to work with database structure and data visually. Some well-known front ends are. Retrieved 16 October 2019. Black Duck Software. Retrieved 17 September 2012.
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Go with GoogleA core part of the Go edition experience is the fully redesigned set of Google apps, which are specifically built to serve the needs of first-time smartphone owners. Since February we’ve introduced a number of improvements to our suite of apps:. These apps include unique features, like free downloading in YouTube Go, that aren’t found in the classic app. Starmoney 9 s-edition.
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Mysql 40 Seconds Time Out
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What Is Mysql Definition
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