Good summary of latest optimizer enhancements in Oracle Database 19c, and (more importantly), where you can learn more!
What's New in the Oracle Optimizer for Oracle Database 19c?
Authors
William Hardie
Vice President
William Hardie is Vice President of Oracle Database Product Management. He has been in IT for more than 30 years, and has specialized in relational database technologies for more than 25 years. William has worked with Oracle Database since version 5 and is a regular speaker at Oracle events and User Group Conferences. He is currently a member of the Quest Oracle User Group database technology advisory board.