I have been banging my head on the desk trying to debug an SQL statement that returns the wrong result. Or so the developer says.
Notes on webinar “Oracle Maximum Availability Architecture Best Practices” by Tom Kyte.
Notes on Webinar called The Evils of Implicit Conversions and other SQL Skullduggery from Red Gate Software by Tom Kyte.
Tom Kyte stresses that application tuning is the best way to deliver performance improvement when he answers a question in On Connection Pools, Cursor Differentiation, and Optimal Ordering: