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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.
MySQL Cluster, also known as MySQL Ndb Cluster is a technology providing shared-nothing clustering and auto-sharding for the MySQL database management system.It is designed to provide high availability and high throughput with low latency, while allowing for near linear scalability. [3]
Informix supports a database mode called ANSI mode which supports creating objects with the same name but owned by different users. PostgreSQL and some other databases have support for foreign schemas, which is the ability to import schemas from other servers as defined in ISO/IEC 9075-9 (published as part of SQL:2008). This appears like any ...
MariaDB is intended to maintain high compatibility with MySQL, with exact matching with MySQL APIs and commands, allowing it in many cases to function as a drop-in replacement for MySQL. However, new features are diverging. [ 7 ]
Name License Kernel type Kernel programming language Kernel thread support OS family Oldest non-EOL version [Note 1]Forks; Linux: GPL version 2 only: Monolithic with modules : C: 1:1 Unix-like
MySQL: MySQL Group Replication, a plugin for virtual synchronous multi-master with conflict handling and distributed recovery was released with 5.7.17. Cluster Projects: MySQL Cluster supports conflict detection and resolution between multiple masters since version 6.3 for true multi-master capability for the MySQL Server.
MySQL Enterprise is a subscription-based service produced by Oracle Corporation and targeted toward the commercial market. Oracle's official support, training and certification focus on MySQL Enterprise. It is similar to Percona Server for MySQL from Percona and MariaDB Enterprise from MariaDB. [1] [2] [3] MySQL Enterprise includes the ...
In Windows, UTF-8 is codepage 65001 [78] with the symbolic name CP_UTF8 in source code. In MySQL, UTF-8 is called utf8mb4, [79] while utf8 and utf8mb3 refer to the obsolete CESU-8 variant. [80] In Oracle Database (since version 9.0), AL32UTF8 [81] means UTF-8, while UTF-8 means CESU-8. In HP PCL, the Symbol-ID for UTF-8 is 18N. [82]