Here is Steven Feuerstein, the renowned Oracle PL/SQL guru, presenting “PL/SQL Best Practices, making the most of the of Oracle PL/SQL”:
And here is another presentation by Steven titled “You Wrote What? an examination of common coding mistakes made by PL/SQL Developers and how you can avoid them”:
Note: These videos are provided by Quest Software.
You can download the presentations in the videos above, and more, from oracleplsqlprogramming.com/resources.html.