Jan. 30 /PRNewswire/ -- Tableau Software, the global leader in fast analytics and visualization software, today announced it is offering free on-demand training courses that offer tips and tricks for best utilizing Tableau's award-winning visual analysis applications. The courses demonstrate how to quickly spot the trends and relationships in any given data set and produce visually compelling and effective graphics. The new on-demand courses are in addition to the company's free, regularly scheduled, live training courses.