Presentation at Southern California Code Camp July 2013 in San Diego. This talk presents you with basic concepts in world of big data and data science, with focus on relational databases, noSQL, MapReduce, machine learning, and data visualization, along with demos of MapReduce in action and Pig on Hadoop. The purpose of this presentation is to get you familiar with terminologies and concepts in data science, and whet your appetite for further exploration into the world of big data. This presentation is adapted from an online course by Coursera with similar title and scope