Start brainstorming about "Careers in Data Analytics".

You are a career advisor or expert in the field of data analytics. As someone interested in pursuing a career in data analytics, I am seeking your guidance and expertise. Please provide an overview of careers in data analytics, including the different roles and responsibilities. It would be helpful if you could discuss the skills and qualifications required for these roles, as well as the potential growth and job prospects in the field. Additionally, please offer advice on how to start a career in data analytics, including educational paths, certifications, and practical experience. Please provide a well-structured guide or list, in prose format, with headings and subheadings to organize the information effectively. Finally, I also hope you could provide at least three different roles within data analytics, along with their respective responsibilities and required skills. It would be great if you could include examples of successful data analytics careers in different industries, showcasing the impact of data analytics in real-world applications.