Editing MySQL (section)

==Overview==
MySQL is written in [[C (programming language)|C]] and [[C++]]. Its SQL parser is written in [[yacc]], but it uses a home-brewed [[Lexical analysis|lexical analyzer]].<ref>{{cite web |date=4 March 2009 |title=MySQL Internals Manual |url=http://dev.mysql.com/doc/internals/en/index.html |access-date=8 June 2009 |website=dev.mysql.com }}</ref> MySQL works on many [[system platform]]s, including [[AIX operating system|AIX]], [[BSD/OS|BSDi]], [[FreeBSD]], [[HP-UX]], [[ArcaOS]], [[eComStation]], [[IBM i]], [[IRIX]], [[Linux]], [[macOS]], [[Microsoft Windows]], [[NetBSD]], [[Novell NetWare]], [[OpenBSD]], [[OpenSolaris]], [[OS/2]] Warp, [[QNX]], [[Solaris (operating system)|Oracle Solaris]], [[Symbian]], [[SunOS]], [[SCO OpenServer]], SCO [[UnixWare]], Sanos and [[Tru64 UNIX|Tru64]]. A port of MySQL to [[OpenVMS]] also exists.<ref>{{cite web |date=2011-03-30 |title=MySQL for OpenVMS |url=http://www.vmsmysql.org/ |url-status=dead |access-date=2014-01-16 |publisher=vmsmysql.org |archive-date=12 May 2014 |archive-url=https://web.archive.org/web/20140512060500/http://www.vmsmysql.org/ }}</ref>

The MySQL server software itself and the client libraries use [[dual license|dual-licensing]] distribution. They are offered under [[GNU General Public License|GPL]] version 2, or a proprietary license.<ref>{{Cite web |date=July 2010 |title=Commercial License for OEMs, ISVs and VARs |url=https://www.mysql.com/about/legal/licensing/oem/ |access-date=2020-04-03 |website=www.mysql.com |quote=Oracle provides its MySQL database server [...] under a dual license model [...] Oracle makes its MySQL database server [...] available under the GPLv2 [...]}}</ref>

Support can be obtained from the official manual.<ref>{{Cite web |url=http://dev.mysql.com/doc/refman/5.5/en/index.html |title=MySQL Support Manual, MySQL Developers |access-date=4 February 2012 |archive-date=4 February 2012 |archive-url=https://web.archive.org/web/20120204041451/http://dev.mysql.com/doc/refman/5.5/en/index.html |url-status=dead }}</ref> 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.

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".<ref>{{cite web|url=http://review.techworld.com/applications/346/mysql-50-open-source-database/ |title=Review of MySQL Server 5.0|archiveurl=https://web.archive.org/web/20120521204519/http://review.techworld.com/applications/346/mysql-50-open-source-database/ |archivedate=21 May 2012 |website= Techworld.com |date=November 2005}}</ref> It has also been tested to be a "fast, stable and true multi-user, multi-threaded SQL database server".<ref>{{Cite web|url=https://community.linuxmint.com/software/view/mysql-server|title=MySQL Database Server (Metapackage Depending On The Latest Version)|website=community.linuxmint.com}}</ref>