Hi, I will explain what is the SQL Tuning Advisor and how to use it in this Article.   SQL Tuning Advisor in Oracle You can read the following article before this. Optimizer Access Paths & Join Operators ( Hash Join, Nested Loop ) in Oracle | Oracle Database Performance Tuning Tutorial -8       … Continue reading What is the SQL Tuning Advisor and How to Run SQL Tuning Advisor Manually in Oracle | Oracle Database Performance Tuning Tutorial -10