A MySQL Enterprise subscription is the most comprehensive offering of MySQL database software, services and support; it ensures that your business achieves the highest levels of reliability, security, and uptime.
An Enterprise Subscription includes:
The MySQL Enterprise Server – the most reliable, secure, and up-to-date version of the world’s most popular open source database
The MySQL Enterprise Monitor – An automated virtual DBA assistant that monitors all your MySQL Servers around-the-clock, identifies exceptions to MySQL best practices, and provides expert advice on fixing any problems discovered
MySQL Production Support – Technical and consultative support when you need it, along with regularly scheduled service packs, hot-fixes, and more
For more information, visit http://www.mysql.com/enterprise.