Unleashing Power of Data

Unleashing Power of Data | 19 [ THE EVOLUTION OF BIG DATA ] EVOLUTION OF BIG DATA AND ITS IMPACT ON DATABASE MANAGEMENT SYSTEMS EVOLUTION OF BIG DATA The world operated in a data-rich environment even before the term ‘big data’ was originated. Big Data has several applications today, given the quantity of data that organizations constantly produce and the increasing demand for its accurate analysis. Big data technology has advanced s i gn i f i c a n t l y i n t he wo r l d generating enormous amounts of data. Following are the milestones in the evolution of big data: DATA WAREHOUSING T h e y e a r 1 9 9 0 s aw d a t a warehous ing emerging as a solution to store and analyze large volumes of structured data. Data warehouses enhanced the usability of raw data. Corporations formed central repositories to ensure data can be gathered and analyzed in a single location. The earliest data warehouses included magnetic tapes, punch cards, compact disks, hard disks that supported monitoring and decision-making of the businesses. HADOOP AND MAPREDUCE Introduced in 2006, Hadoop i s an open- source sof tware framework adopted for storing and processing large amounts of data in a distributed computing environment. MapReduce is a programming paradigm that enables massive scalability across several servers in a Hadoop cluster. The word MapReduce refers to two separate tasks that programs of Hadoop perform upon. NOSQL DATABASES NoSQL databases were brought in the year 2009, of fer ing a flexible way to store and retrieve Dun & Bradstreet