What is MDX?
A high performance multidimensional language for Business Intelligence (BI) tools.
We, from BIMachine, use this language to use and create the Analyses/KPI/Dahsboards. In this case, it is important to understand this language to get the most out of the analyses you want to create. For this reason, we are making available in this topic the proper knowledge to assist you.
Here is a link to the MDX Language Reference: http://msdn.microsoft.com/pt-br/library/ms145506.aspx