Data Science is the umbrella term which contains Data Analysis, Data Analytics and Business Analytics and is known as the process of gaining insights from the raw data that can drive business decisions to increase the ROI of every organization.
Tableau is an industry-leading software for data visualization that is used to create interactive dashboards from the insights gathered from the analytics engine, that is used for communicating the insights gathered in an effective manner.
Do check out Tableau training course from Intellipaat to help you gain the necessary skillsets with its 32 hrs of projects and exercises and this also helps in getting you prepped up for the Tableau Desktop Qualified Associate certification exam.
Also, have a look at our YouTube video on Tableau for Data Science to help you get started.