Traditional database system deals with structured data. Big data system deals with structured, semi structured and unstructured data.

Traditional data is the structured data which is being majorly maintained by all types of businesses starting from very small to big organizations. In traditional database system a centralized database architecture used to store and maintain the data in a fixed format or fields in a file. For managing and accessing the data Structured Query Language (SQL) is used.

We can consider big data an upper version of traditional data. Big data deal with too large or complex data sets which is difficult to manage in traditional data-processing application software. It deals with large volume of both structured, semi structured and unstructured data. Volume, Velocity and Variety, Veracity and Value refer to the 5’V characteristics of big data. Big data not only refers to large amount of data it refers to extracting meaningful data by analyzing the huge amount of complex data sets.