What is Tableau ?

Tableau is a visualization tool created by tableau software .Visualization is nothing but the visually showing information .

• Data visualization tool.
• Connect to several data sources.
• Create dashboards on minutes.
• Easy to Use.

Tableau is a software tool that basically connects easily to several data sources, it allows for rapid insight by transforming data into dashboards that look amazing and are also interactive that recreation takes minutes and can be done with simple drag and drop of data field. It does have some advanced capabilities that required experience and training to blow the software that helps people see and understand their data quickly and easily.
Tableau software products they basically have five main products and those are 

• Tableau Desktop.
• Tableau Server.
• Tableau Online.
• Tableau Reader.
• Tableau Public.

Tableau  Reader and Tableau  Public are free to use.
Tableau Desktop and Tableau Server come with a 14 day fully functional free trail period after which the user needs to start paying for the software, Tableau Desktop comes in both a professional and  a lower cost personal Edition so you can look into that on top of those website.
Tableau Online is available with annual subscription for a single user and it scales to support thousand of users.