Day 9 of 100-Day Oracle DBA Challenge | Understanding Undo & Undo Management in Oracle Database скачать в хорошем качестве

Day 9 of 100-Day Oracle DBA Challenge | Understanding Undo & Undo Management in Oracle Database

Welcome to Day 9 of my 100-Day Oracle DBA Challenge. Today, we dive into one of the most critical components of Oracle Database — Undo and Undo Management. Learn how Undo helps maintain database consistency, supports transaction rollback, enables Flashback features, and ensures smooth instance recovery. We cover: What Undo is and why it’s essential Undo tablespaces like UNDOTBS1 and UNDOTBS2 Automatic and Manual Undo Management modes Undo retention and monitoring Common errors such as ORA-30036 and ORA-01555 and how to fix them If this video helped you, leave a comment and share which Undo issues you encounter most often. Don’t forget to like, subscribe, and follow along in the 100-Day Oracle DBA Challenge.