This paper exhibits information related to technical challenges and latest emerging trends relate to big data.Big data is a popular term used to describe the exponential growth and availability of data, both structured and unstructured. The data flow so fast that the total accumulation of the past two years-a zettabyte-dwarfs the prior record of human civilization. But it is not the quantity of data that is revolutionary. "The big data revolution is that now we can do something with the data. Big data is changing the way people within organizations work together. Insights from big data can enable all employees to make better decisions-optimizing operations, preventing threats and fraud, and capitalizing on new sources of revenue.
In the spirit of capturing and describing this big data, this paper highlights the most noteworthy emerging trends such as Column-oriented databases, Schema-less databases, or NoSQL databases, MapReduce, Hadoop, Hive, WibiData, PLATFORA , Big Data in the cloud.