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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.
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.
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 Federated – allows a user to create a table that is a local representation of a foreign (remote) table. It utilizes the MySQL client library API as a data transport, treating the remote data source the same way other storage engines treat local data sources whether they be MYD files (MyISAM), memory (Cluster, Heap), or tablespace (InnoDB).
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Each MyISAM table is stored on disk in three files (if it is not partitioned). The files have names that begin with the table name and have an extension to indicate the file type. MySQL uses a .frm file to store the definition of the table, but this file is not a part of the MyISAM engine; instead it is a part of the server.
If there were two separate tables for employees and a query which requested employees in the first table having the same country as employees in the second table, a normal join operation could be used to find the answer table. However, all the employee information is contained within a single large table. [11] Consider a modified Employee table ...
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 ...