To ace Big Data Analytics job Interviews or bag better opportunities in the field of Big Data Analytics. The things which you should study for Big Data Analytics are:
Programming Skills: Python, R, Java, C++, etc.
Quantitative skills: Maths, Statistics, etc.
Multiple technologies: Excel, SQL, Hadoop, MATLAB, HIVE, etc.
Business Acumen: Good Business domain knowledge and understanding
Data Interpretation skills: Data Interpretation skills are the most important.
If you are interested in learning this course, check out Big Data Analytics Certification from E & ICT Academy from IIT Guwahati. I will share a video here of a customer feedback video here to help you get a better understanding.