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

Change Log:

# Bugs fixed:

* Privileges for stored routines were ignored for mixed-case routine names. (Bug#48872) See also Bug#41049.
* Building MySQL on Fedora Core 12 64-bit would due to errors in comp_err. (Bug#48864)
* DISTINCT was ignored for queries with GROUP BY WITH ROLLUP and only const tables. (Bug#48475)
* Loose index scan was inappropriately chosen for some WHERE conditions. (Bug#48472)
* A bad typecast could cause query execution to allocate large amounts of memory. (Bug#48458)
* mysql_secure_installation did not work on Solaris. (Bug#48086)
* When running mysql_secure_installation, the command would fail if the root password contained multiple spaces, \, # or quote characters. (Bug#48031)
* InnoDB did not disallow creation of an index with the name GEN_CLUST_INDEX, which is used internally. (Bug#46000)
* Use of InnoDB monitoring (SHOW ENGINE INNODB STATUS or one of the InnoDB Monitor tables) could cause a server crash due to invalid access to a shared variable in a concurrent environment. (Bug#38883)
* Output from mysql --html did not encode the <, >, or & characters. (Bug#27884)