Rittman Mead - Mark Rittman and Peter Scott discuss business intelligence and data warehousing. Jonathan Lewis - An independent consultant with a great understanding of how the Oracle database engine can be used to best effect. blogs.oracle.com - The Oracle blogging community. Individual blogs from Oracle employees plus team blogs that focus on specific technologies all blogs are hosted at oracle.com. Oracle-developer.net - Articles and utilities for Oracle developers by Adrian Billington Tanel Poder - Oracle troubleshooting and advanced SQL performance tuning. Christian Antognini - Author of the book Troubleshooting Oracle Performance. Randolf Geist - Member of the OakTable Network, Oracle ACE and contributor to the official Oracle OTN Forum. Dylan Wan - Director of software development at Oracle corp. Structured Data - Oracle database performance and scalability issues from Greg Rahn. Steven Chan - E-Business Suite Development Insider Blog Kerry Osborne - A blog about Oracle internals and how to solve performance problems. Laurent Schneider - Advanced articles on Oracle administration. Steven Feuerstein On PL/SQL - Tutorials and advanced articles on Oracle PL/SQL. Hemant's Oracle DBA Blog - Notes, Tips and Hints on Oracle Database Administration / Performance Oracle Database Insider Blog - Oracle Database Insider Blog Fahd Mirza - Blog discussing all things related to Oracle databases from its administration to programming and related news. Doug Burns - Oracle expert with over 20 years of experience, speaker, trainer, author of technical papers, Doug Burns is one of 33 world-wide Oracle ACE Directors. He writes on database administration and performance. jarneil - The thoughts of a dba