graph-databases

Gremlin remove all Vertex

In more recent terms as of Gremlin 2.3.0, removal of all vertices would be best accomplished with: g.V.remove() UPDATE: For version Gremlin 3.x you would use drop(): gremlin> graph = TinkerFactory.createModern() ==>tinkergraph[vertices:6 edges:6] gremlin> g = graph.traversal() ==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] gremlin> g.V().drop().iterate() gremlin> graph ==>tinkergraph[vertices:0 edges:0] Note that drop() does not automatically iterate the Traversal … Read more

Comparison of Relational Databases and Graph Databases

There actually is conceptual reasoning behind both styles. Wikipedia on the relational model and graph databases gives good overviews of this. The primary difference is that in a graph database, the relationships are stored at the individual record level, while in a relational database, the structure is defined at a higher level (the table definitions). … Read more