Neo4j

I need a query that finds nodes without a specific relationship. The following query works:  MATCH (e:Entity) WHERE NOT (e)-[:CHILD_OF]->() RETURN e  But neo4j browser gives me the following warning:This feature is deprecated and will be removed in f...

In our system, objects are organized into single rooted hierarchies (trees). In the diagram, the gray circles represent objects. An edge, named CHILD represents the child objects of a parent object. User’s are given access privilege to specific obje...