"Which brings me back to OrientDB: when you have multiple processes and multiple people undertaking multiple tasks against multiple data sources, then doing things like impact analysis (which Axon supports) can get quite complex. Without a graph capability of some kind it can easily become too difficult and slow to explore the environment."
"Before we selected OrientDB we developed a few prototypes to evaluate the performance of the database in being able to efficiently handle large volumes of records of data where the precise field composition of each record is specified by the user during deployment. We evaluated both relational databases and a couple of NoSQL database and OrientDB was clearly the best option. The flexible Apache license was also another key reason why we made the selection. Finally, the fact that OrientDB is supported by such a dedicated group of people who also provide commercial support if needed, was the feature that closed the deal."

Neo4j is an internet-scale, native graph database that leverages connected data to help companies build intelligent applications that meet today's evolving challenges, including machine learning and artificial intelligence, fraud detection, real-time recommendations and master data. As the #1 platform for connected data, Neo4j has over three million downloads, the world's largest graph developer community, and over thousands of graph-powered applications in production.
MarkLogic has delivered a powerful, agile and trusted Enterprise NoSQL database platform that enables organizations to turn all data into valuable and actionable information. Organizations around the world rely on MarkLogic’s enterprise-grade technology to power the new generation of information applications.
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