Preface
Graph issues are some of the most common problems in computer programming, and have been since the early days. Back then, hierarchy trees, access control lists, and mapping tables were built, typically, in code. When it came time to store the graphs, programmers transformed them into tables and used the relational database as underlying storage. We had to do a lot of plumbing to save the most basic graph data, but there was no other option—until graph databases, with Neo4j leading the parade, entered the scene.
Neo4j started its journey more than a decade ago, with the first official version, the 1.0 release, coming out in 2010, and the more recent 2.0 release coming out in December 2013. Most of us have been involved with actively ...
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