not create if exist neo4j
MERGE (n {name: '3'}) //Create if a node with name='3' does not exist else match it
MERGE (test2 {name:'2'}) //Create if a node with name='2' does not exist else match it
MERGE (n)-[:know {r:'123'}]->(test2) //Create the relation between these nodes if it does not already existcreate if not exists neo4j
Use MERGE instead of CREATECopyright © 2021 Codeinu
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