MySQL is a software SQL database management system or DBMS is multithreaded, multi-user, MySQL AB makes MySQL available as free software under the GNU General Public License (GPL), but they are also sold under a commercial license for those cases where its use is not compatible with the GPL. Not the same with projects like Apache, where the software was developed by the general community, and the copyright for the source code are owned by their respective authors, MySQL is owned and sponsored by a Swedish commercial company MySQL AB, which holds the copyright on all code almost the source.
Features :
- Partitioning to improve performance and management of very large database environments
- Row-based/Hybrid Replication for improved replication security
- Event Scheduler to create and schedule jobs that perform various database tasks
- XPath Support
- Dynamic General/Slow Query Log
- Performance/Load Testing Utility (mysqlslap)
- Improved! Full Text Search (faster, new dev templates)
- Improved! Archive engine (better compression, more features)
- Improved! User session and problem SQL identification
- Improved! MySQL embedded library (libmysqld)
- Additional INFORMATION_SCHEMA objects
- Faster data import operations (parallel file load)
- ACID Transactions to build reliable and secure business critical applications
- Stored Procedures to improve developer productivity
- Triggers to enforce complex business rules at the database level
- Views to ensure sensitive information is not compromised
- Information Schema to provide easy access to metadata
- Pluggable Storage Engine Architecture for maximum flexibility
- Archive Storage Engine for historical and audit data
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