This document summarizes an advanced Oracle troubleshooting training seminar. The seminar focuses on understanding what processes the Oracle database is performing to troubleshoot issues like crashes, hangs, or performance problems. Attendees will learn how to use tools like wait events, KST tracing, and process state dumps to drill down and understand the root cause of problems at a deep technical level by examining the behavior of Oracle processes. The seminar is hands-on and focuses on practical demonstrations of these troubleshooting techniques.