Oracle Database Administration from Zero to Hero - Managing Undo Data (Part 3 of 3)

The video tutorial covers Oracle Database's undo management, focusing on undo extents, retention guarantee, and temporary undo features. It explains the importance of undo retention and how to enable retention guarantee to prevent overwriting unexpired undo. The tutorial also introduces the temporary undo feature, which optimizes undo management for temporary tables by reducing undo storage and redo log size. Additionally, it discusses shared and local undo modes in multi-tenant environments, highlighting the benefits of local undo mode for efficiency and certain operations. The lecture concludes with a summary and learning objectives.

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