Hi friends, 2015 is the year when I started working on noSQL databases, I have shared my few post earlier on same . Today my post is related to one more nosql database which came into my skill recently. This is a popular Graph Database Neo4j. Neo4j is a popular noSQL, open-source, graph database which is implemented in Java and accessible from software written in other languages using CQL. Neo4j Support ACID. What is Graph Database ? In computing, a graph database is a database that uses graph structures for semantic queries with nodes, edges and properties to represent and store data. Graph databases employ nodes, properties, and edges.