Business Intelligence: OLAP

OLAP

http://training.inet.com/OLAP/home.htm

http://en.wikipedia.org/wiki/Online_analytical_processing

OLAP Collections
http://altaplana.com/olap/olap.collections.html

MDX

http://www.databasejournal.com/features/mssql/article.php/10894_1495511_1/MDX-at-First-Glance-Introduction-to-SQL-Server-MDX-Essentials.htm