Database Upgrades!!!

 Database Upgrades!!!

1. What is database upgrade?
2. What is autoupgrade?
3. Is autoupgrade resumeble?
4. What is dbau?
5. Ie dbua resumeble?
6. What is GRP (guarantee restore point)?
7. Does GRP needs flashback to be enabled?
8. Does GRP need database to be archivelog mode?
9. What is timezone upgrade and how is this different from Database upgrade?
10. How to estimate database upgrade time? 10TB Vs 20TB database upgrade time.
11. Is GRP generates flashback logs? If yes then where they are located?
12. What happens to upgrade if FRA or archive destination is full?
13. Can we perform database upgrade in noarchivelog mode?
14. More objects on DBA_RECYCLEBIN will impact database upgrade?
15. Will stats of data_dictionary_views and fixed_objects impact my database upgrade?
16. Can I perform database upgrade in online mode?
17. What is out of place upgrade
18. Can we perform inplace database upgrade?
19. What are PROS and CONS of manual Vs dbua Vs autoupgrade?
20. How much time it will take for flashback database to GRP?
21. Can I flashback database to GRP in case it flashback logs are deleted at OS level?