HOW TO, Create node if not exist, update if exist with new supplied data / merging the current with new

[joshcornejo]

On your other thread I gave you an example of merge to achieve what you want.

You could even choose to move "current properties" to "previous properties" if you wanted to.

How to Model & Package data onto Kafka to be sinked into Neo4J - Noob

If you want to run something on a unique identifier, you can use (this is simple): "ssn": "123-45-6789", "name": "Alice Smith", "age": 34, "city": "London" } MERGE (p:Person {ssn: $ssn}) SET p += { name: $name, age: $age, city: $city } ON CREATE SET p.created = timestamp(), p.updated = timestamp() ON MATCH SET p.updated = timestamp() Now you always have 1 node that identifies the accountHolder.