I have started playing around with db4o but quite soon I have run into a problem of when I remove a link then I have to remove a link somewhere else. Can I enforce constraints, as I can with a relational database?
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I have started playing around with db4o but quite soon I have run into a problem of when I remove a link then I have to remove a link somewhere else. Can I enforce constraints, as I can with a relational database?
Neo4j guarantees that relationships are at all times connected to exactly two nodes: a start node and an end node. In Neo4j relationships are first class citizens, and you don’t need to bother about how they are implemented.