What is it about
Data Science is about processes and systems to extract knowledge or insights from data in various forms, either structured or unstructured, which is a continuation of some of the data analysis fields such as statistics, data mining, and predictive analytics, similar to Knowledge Discovery in Databases.
Big Data is the transformation of raw unstructured data into meaningful and useful information for business analysis purposes. On the other hand, Business Intelligence (BI) provide historical, current and predictive views of business operations from structured data.
Data scientist are in high demand. CareerCast, a career advice and salary listing website, lists Data Scientists in their top 10 "Highest paying Jobs of 2015."
Data science is a burgeoning career, the potential of which is still being discovered. Because the field's skill set is still new, those trained in data science can command competitive salaries.