Hi, I will explain Optimizer Access Paths (Table and Index Scan) in this article.   Oracle Optimizer Access Paths Read the Following article before this, if you don’t know or want to know Oracle optimizer detailed. What is the Oracle Optimizer and How Cost-Based Optimizer Works ? | Oracle Database Performance Tuning Tutorial -3     … Continue reading Optimizer Access Paths (Table and Index Scan) in Oracle | Oracle Database Performance Tuning Tutorial -7