Oracle Database Administration from Zero to Hero - Managing Undo Data (Part 2 of 3)

The video tutorial explains the importance of undo tablespace in databases, focusing on how to determine the appropriate size and retention settings. It covers the use of undo statistics to estimate retention and space requirements, and introduces the Undo Advisor for evaluating tablespace size. The tutorial also provides a formula for calculating the required undo size and discusses the role of AWR snapshots in this process.

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