1. Mysql.com Enterprise Unlimited Page
MySQL Enterprise Unlimited - Deploy an unlimited number of MySQL Enterprise Servers for the price of a single CPU of Oracle Enterprise Edition
http://www.mysql.com/products/enterprise/unlimite~

2. Oracle Database
Oracle is the information company.
http://www.oracle.com/database/index.html

3. Sql.org
SQL.org aims to be both a portal to SQL resources on the internet, and a source of original SQL-related content.
http://www.sql.org

4. Database.ittoolbox.com
ITtoolbox Database Knowledge Base provides the latest community-generated content from the IT market. Share knowledge with your peers and work together to form experience-based decisions.
http://database.ittoolbox.com

5. MySQL
MySQL :: The world's most popular open source database
http://www.mysql.com

6. Dev.mysql.com
The world's most popular open source database
http://dev.mysql.com

7. Postgresql.org
PostgreSQL: The world's most advanced open source database
http://www.postgresql.org

8. Sqlite.org
SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.
http://www.sqlite.org

9. Xml.com Databases Page
O'Reilly XML.com, Issues around transferring data between XML and databases.
http://www.xml.com/databases

10. Oreillynet.com Databases Page
O Reilly Databases Blog
http://www.oreillynet.com/databases

11. Code.google.com Gears Api_database Page
Database Module API - The Database module provides browser-local relational data storage to your JavaScript web application. Google Gears uses the open source SQLite database system.
http://code.google.com/apis/gears/api_database.ht~

12. Sqlpronews.com
SQLProNews features columns by some of the top experts in SQL.
http://www.sqlpronews.com

13. Databasejournal.com
Database Journal: Daily Database News, Information and Tutorials for the Database Professional
http://www.databasejournal.com

14. Mysqlcamp.org
Where the MySQL Community Meets
http://mysqlcamp.org