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.

What is the significance of the undo tablespace size in a database?

How can the view, video, or sign undo stat assist in determining the best retention?

What does the term 'histogram' refer to in the context of undo statistics?

What are the available statistics that can be used to estimate undo retention?

What should be done if the error Ora 01555 occurs in a production database?

Explain the formula to estimate the required undo size for a given retention.

What is the role of the Undo Advisor in managing undo tablespace size?

How do AWR snapshots contribute to the evaluation of undo tablespace size?

What steps are involved in creating and executing an undo advisor task?

Discuss the importance of monitoring the progress of the undo advisor task execution.