This page contains links to useful Oracle performance tuning resources.
My papers and presentations:
Focusing Your Oracle Database Tuning Efforts For PeopleSoft Applications
You’re Smarter Than a Database – Overcoming the optimizer’s bad cardinality estimates
SQL Tuning Scripts
Cardinality Errors Due to Relationships Between Columns
Introduction to SQL tuning
Note that some of my older presentations refer to my old Geocities blog. The geocities blog is archived at this location: http://wayback.archive.org/web/20091027013758/http://geocities.com/bobbyandmarielle/
So, if you see any references to http://geocities.com/bobbyandmarielle/ just add http://wayback.archive.org/web/20091027013758/ to the front of the URL and you will find it. Very cool archive!