Many of the names used by manufacturers and sellers to distinguish their products are trademarked. Wherever such designations appear in this book, and we were aware of a trademark claim, the names have been printed in all caps or initial caps.
- DB2 is a registered trademark of IBM Corporation. 
- Oracle, Java and MySQL are registered trademarks of Oracle and/or its affiliates. 
- Microsoft and SQL Server are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. 
- PostgreSQL is a registered trademark of PostgreSQL Global Development Group. 

