Tabular model trong SQL Server SSAS 2012

Tabular model trong SSAS 2012 su dung DAX de truy van

http://blog.sqlauthority.com/2014/04/08/sql-server-what-is-ssas-tabular-data-model-and-why-to-use-it/
http://blog.sqlauthority.com/2014/05/07/sql-server-what-is-ssas-tabular-data-model-and-why-to-use-it-part-2/