Free Oracle Resources
Akadias Publications
There are quite a few Oracle articles here as well as some pdf documents (some of which appear to be in German).
Oracle Tutorials
Free Oracle Tutorials and Free Oracle Training Lessons are available here
An Introduction to Oracle: Tutorial Series
Downloadable Oracle tutorials and examples in pdf and html format including and introduction to Oracle, introduction to PL/SQL, Oracle's data dictionary, introduction to Oracle and Java.
www.oracle.com
Official site.
Oracle/SQL Tutorial
This Oracle/SQL tutorial provides a detailed introduction to the SQL query language and the Oracle Relational Database Management System.
Using Oracle PL/SQL
PL/SQL stands for Procedural Language/SQL. PL/SQL extends SQL by adding constructs found in procedural languages, resulting in a structural language that is more powerful than SQL
Oracle Designer/2000 and Developer/2000
The objective of this tutorial is to expose you to some important features and tools of Oracle Designer/2000 and Developer/2000
Oracle Troubleshooting
This topic includes over 300 technical documents and bulletins published by Oracle Worldwide Customer Support. These documents contain useful technical information, alerts, sample scripts and other sample files.
Oracle FAQ
Welcome to the Oracle FAQ. We have designed this site to provide independent and useful information on Oracle products to the Oracle community
Introduction to Pro*C Embedded SQL
Embedded SQL is a method of combining the computing power of a high-level language like C/C++ and the database manipulation capabilities of SQL. It allows you to execute any SQL statement from an application program.
Sameer’s Oracle Techniques
Oracle tips and tricks.
Oracle Notes
Oracle articles and resources.
Oracle Express
Oracle Express tutorial.
Links.Oracle-Home.Com
Oracle Database Web Resources
Oracle: SQL*Plus
Still under construction when last checked.
oraworld
Oracle resources.
Oracle World
Huge list of resources.
Oracle Forum
Oracle forum.