MySQL is a software SQL database management system or DBMS is multithreaded, multi-user, with about 6 million installations worldwide. MySQL AB makes MySQL available as free software under the GNU General Public License (GPL), but
MySQL is an implementation of relational database management system (RDBMS) that is distributed free under GPL (General Public License). Each user can freely use MySQL, but with the restriction that software should not be used as a commercial derivative product. MySQL is actually a derivative of one of the main concepts in the database who have been there before; SQL (Structured Query Language). SQL is a database operation concept, especially for the election or selection and data entry, which allows the operation feasible data automatically.
Reliability of a database system (DBMS) can be known from the way his work in the optimizer to process SQL commands made by users and application programs that use it. As a database server, MySQL database support the operation of transactional and non-transactional database operation. In non-transactional mode of operation, MySQL can be said to excel in terms of performance than the database server software competitors. However, on non-transactional mode there is no guarantee of reliability of stored data, therefore non-transactional mode is only suitable for the type of applications that do not require reliability data such as web-based blogging application (WordPress), CMS, and the like. For the needs of system intended for business are strongly advised to use transactional database mode, it's just that as a consequence the performance of MySQL in transactional mode is not as fast performance in non-transactional mode.
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