How do I display all nodes with no defined labels
Although assigning a node one or more labels provides many benefits (i.e. performance gains from index usage, ability to group nodes into sets, etc), it is possible to create a node without any labels.
The following Cypher can be used to identify all nodes in the graph which have no label defined:
MATCH (n) WHERE size(labels(n)) = 0 RETURN n
Label usage is detailed here.
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