How to find the tables that have stale statistics
I need a small clarification about stale statistics.Below are my queries so please clarify me
1. How to find the tables that have stale statistics? (both database and schema level)
2. Why is mark as stale?
3. How to enable it?
4. What is the impact if the object is stale state?
5. Is there any performance impact if the object is stale?
Database version is 10.2.0.4
Thank you....