This video tutorial by Simply Learn covers the basics of data analytics, the tools used in data analytics, and a case study on Walmart. It provides a demonstration of linear regression in R and encourages viewers to do research on how to find the accuracy of a linear regression model. It also covers the applications of data analytics in the retail, healthcare, manufacturing, banking, and logistics sectors. The episode concludes with a reminder to like, share, and subscribe to the SimplyLearn YouTube channel.