This document provides an overview of data analytics and business analytics. It defines data analytics as using data, technology, analysis, and models to gain insights and make better decisions. Business analytics is a subset focused on business operations. It describes the four V's of big data as volume, velocity, variety and veracity. It also outlines the main types of data analytics: descriptive (what is happening now), diagnostic (what happened in the past), predictive (what may happen in the future), and prescriptive (recommended actions). Finally, it provides some examples of data analytics applications and tools.