CALL apoc.periodic.iterate( 'MATCH(pr:Project)-[:HAS_ARTIST]->(ai:ArtistInfo) RETURN pr, ai', 'MERGE (i:IncrementId {nodeName: "LabelParticipant"}) ON CREATE SET i.id = 1 ON MATCH SET i.id = i.id + 1 MERGE (lp:LabelParticipant { vendorId: pr.vendorId, subaccountId: pr.subaccountId, name: trim(apoc.text.regreplace(ai.name, "[ ]{2,}", " ")) }) ON CREATE SET lp.id = i.id, lp.uuid = apoc.create.uuid() MERGE (lp)-[:CREATED_FROM]->(ai) MERGE (pr)-[:CREATED_FOR_PARTICIPANT]->(lp)', {batchSize:1000, iterateList:true, parallel:true} );