Characteristics of Big Data
Scale of data and processing need.it calls for scalable storage and distributed approach for querying.
How fast data is being produced and changed.the speed with which data is received,understood, and processed.
The quality and provenance of the information in the face of data un-certainty from many places.
Data in different format and from various sources.Difficult to integrate data may be structured,quasi/semi structured.
Identify which data is valuble than transformed and analysed.