Optimizer --- Will generate and pick execution plan
Suppose Stale Table or Wrong statistics of a table

1. Statistical Analysis
2. Accessing Path (Using Index or not)

High level Steps:
Create Tuning Task:
Execute Tuning Task:
Status of Tuning Task:
Display the Recommendation:
Drop the Tuning Task:

Reference:
https://mallik034.blogspot.com/2021/11/automatic-sql-tuning-adviser.html

#19c #SQL #Performce #Tuning #Instance #Database #Administration #Exadata #oracle #RAC #Satndalone

Regards,
Mallikarjun Ramadurg
Mobile: +91 9880616848
WhatsApp: +91 9880616848