Introduction Data and Data, all we can see around us is a world completely surmounted by data, huge or small doesn't matter much. Everywhere we can see is data running our world. Some legends have rightly said "Data is the Fuel of Future" If we sit down and analyse the world around us right now, we can notice he was truly a legend who said these lines. From the mobile phone, we use to the Television, roads, vehicles, etc. etc everything is using the data and extensively using it. From the recommender systems to the automated machines everything consumes the data that we once generated and is now delivering services through it. But such a huge amount of data gives birth to many problems like storage & analysis. Though we have traditional technologies like SQL & the latest technologies like Hive, Spark, Pig to handle these Big data, its important to know how they work. Let me tell you an amazing fact about these techs also uses SQL under the hood & deliver s