Tableau is a tool that if you don’t belong to IT domain still you will be able to do efficient reporting or analytics easily. Hardcore coding is not the need for any kind of calculated field or parameters that can be created in tableau. That means for analyzing the data you don’t need any kind of software programming language, you can do the things by using very simple expressions.
On the other hand if you the basic SQL queries then it would be helpful for the further processes like writing custom queries, and these custom queries used for more complex data visualization. Also the data visualization is not compulsory but if you know about different types of charts that can be possible and when we should use which chart, then it will definitely help you as you go deep.
This is reason why many management graduated or professionals start learning the Tableau, because with a less effort they can learn it and it gives an impressive touch to their resumes.
So if you want to learn more about Tableau then you can check Tableau tutorial or want to be an expert in Tableau. Check out the Tableau Training to get the right assistance.