Tableau Tutorial

What is the use of 'Cluster' option in Tableau?
When do you use Scatter plot in Tableau?
What is the use of Index() function in Tableau?
When do you use data blending instead of join in Tableau?
Write calculation to find QTD sales in Tableau?
What is the use of extensions in Tableau?
What are the challenges you faced recently in Tableau?
What is the difference between fixed and include LOD in Tableau?
How do you add filter which displays report with latest date when you have used date parameter?