Cassandra NoSQL database model has rows and column families. Each row has a key. Read all the top features.
This is one of the best picture that show how the enamours data is creating by 2020.
Big data and analytics is a trending skill. There are many kinds of analytics applications being used in business. This is one kind of interview question.
Social computing refers to an area of computer science that is the intersection of social behavior and computational systems. So, social computing implies two components:
In a Hadoop cluster, data is distributed to all the nodes of the cluster as it is being loaded in. So a cluster in Hadoop is made up of simple computation processors of more than one. Read more.
What is Big data ana analytics, this is a complex questions for many college graduates and working software engineers. Read more about what is big data and why we need data analytics.
Hadoop was originally built by a Yahoo! engineer named Doug Cutting and is now an open source project managedby the Apache Software Foundation. Read more.