Data science knows all the techniques to collate data, and transforming it into some useful knowledge and then applying the domain knowledge decide what statistical method/ machine learning will work to resolve the current problem they are facing.
Data analytics is the process of analyzing data sets, in order to draw a conclusion about the information with the help of some specialized system and software.
Business analytics is an application that allows users to retrieve, analyze and transform data. These tools study data that have been stored previously. Business analytics examines the huge amount of complex historical data and is very useful to any organization to gain insights into the future to serve them more effectively. This field is a mixture of customer relationship management, Inventory management, HR department, Market analysis, Banking, Data science.
You can refer the following video tutorial which will clear all your doubts regarding the same:
If you want a detail explanation of Data Science then do check out Intellipaat’s blog which will help you in understanding DS.
You can get a hands-on project by referring the following Data Science Courses by Intellipaat which will teach you Data Science from scratch.
And if you are more into videos then do check out the following video tutorial which will help you in mastering in the field of Data Science: