A business analytics course is a structured route to learn all the skills required to become a business analyst.
In business analytics, you can learn the basic understanding of business, project management, techniques like SWOT, CATWOE, etc. Also, how to use analytical tools like Excel, SAS, etc. You can learn about database languages like MySQL and visualization tools like Tableau. You can also learn modelling and evaluating business solutions.
In case if you are interested in Business Analytics, I would suggest this Business analyst course.
You can watch this video to have an overview of business analytics: