6 Useful Links You Should Check Out Today (2007-10-26)

Oracle OpenWorld News Aggregator

Read and monitor Oracle OpenWorld related blogs and news sources, all in one place.
Oracle OpenWorld Video Casts on YouTube

Daily videocasts from Oracle OpenWorld 2007 – “official” as well as nonofficial.
Oracle, MySQL and PostgreSQL feature comparison

Differences in their handling of complex SQL and optimizing choices.
Find sequence gaps using Oracle’s analytic functions

Oracle’s analytic functions provide a much cleaner way to do gap checking. These allow you to see the value in an upcoming row (LEAD) or previous row (LAG), while still using the full set-oriented processing of SQL.
Technical Papers: Oracle and SQL Server

White papers covering a wide range of topics, including performance optimization of Oracle and MS SQL Server, RAID, SAN, and Linux configuration.
Data Modeling 101

Overview of fundamental data modeling skills that all developers should have.