KB439248: How data blending works when joining datasets through unrelated attributes in MicroStrategy
KB440794: Placing a metric from one dataset will cause an existing metric to appear blank when setting the Data Source to 'None' in MicroStrategy 10.4.5 and MicroStrategy 10.10 and lower
![How Data Blending Affects the Analytical Engine's Behavior in MicroStrategy (Part 7) | Michael Sandberg's Data Visualization Blog How Data Blending Affects the Analytical Engine's Behavior in MicroStrategy (Part 7) | Michael Sandberg's Data Visualization Blog](http://microstrategyexamprep.files.wordpress.com/2014/05/microstrategy-analytics-platform.jpg)