Big data is a huge collection Data and the analysis of that data is not possible with normal DBMS systems. it also requires next generation data analytics and visualization.
Every day we generate a huge volume of data – much of it coming from sources like retail transactions, weblogs, Financial and Banking Transactions, RFID, Industrial and Weather sensors networks, social media, Mobile and Landline call detail records, e-commerce, medical records, Geo Locations Data and more. This “Big Data” has following Aspects:
• Very Large Volumes of Data – Measured in terabytes or petabytes and more
• Variety – Can be Structured or Unstructured
• High Velocity – High Pace of Data Change