Knowledge Discovery in Databases Archive
This is a repository of databases, domain theories and data generators that are used by the machine learning community for the empirical analysis of machine learning algorithms.

AmieDawson’s TheToy
SQL data visualizations on adult related data such as vibrators use in the USA,

Channel 9 Video featuring Jamie MacLennan
This channel 9 video first shows Soner Terek discussing a massive superdome, then shows Jamie MacLennan talking about data mining and showing some demos.

SQL Server MSDN Developer Center
Go here to learn all about SQL Server 2000 and 2005 straight from Microsoft