MySQLMySQL Community Edition is a freely downloadable version of the world's most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL delivers enterprise features, including:

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