There are no pre-requisites to learn Tableau, However, it is recommended that one should have an understanding of Data Analytics/Business Intelligence. Tableau is embraced for its intuitive data visualizations but focuses more on bigger budgeted corporate environments that empower data engineers.How do I learn tableau?
In my opinion to learn Tableau effectively the some basic and very important steps are: Good Understanding of Statistics. Well versed with Database Concepts. Good Understanding of Data Modeling. Ask question from the data sets. Visualize the data to put it in different types of graphs/charts etc.