What resources exist for Database performance-tuning?

There are several resources available for database performance tuning, including:

Oracle documentation: Oracle provides a wealth of documentation on performance tuning, including best practices, tutorials, and case studies. This can be found on the Oracle documentation library and the Oracle website.

Oracle Support: Oracle provides support for their products, you can open a service request for performance tuning issues, and their support engineers will guide you on resolving the issue.

Oracle Communities: Oracle communities are a great place to ask questions and share knowledge with other Oracle professionals. The communities are a good resource for troubleshooting performance issues, as well as learning about new features and best practices.

Oracle Performance Tuning Books: There are many books available on Oracle performance tuning which provide detailed guidance on how to identify and resolve performance issues. Some popular books include "Oracle Performance Tuning" by Robin Schumacher and "Oracle Database Performance Tuning Guide" by Jonathan Lewis.

Oracle training: Oracle offers various training options for performance tuning, such as Oracle Database Performance and Tuning, Oracle Database Performance and Tuning - Cloud Service, and Oracle Database Performance and Tuning - Virtual Classroom.

Third-Party Tools: There are many third-party tools available that can help with performance tunings, such as Oracle Enterprise Manager, Quest Software's Toad for Oracle, and Oracle SQL Developer. These tools can provide detailed information about the performance of your database and help you identify and resolve performance issues.