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create if not exists neo4j

johannb75 answered on August 5, 2021 Popularity 8/10 Helpfulness 2/10

answer create if not exists neo4j

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create if not exists neo4j

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Use MERGE instead of CREATE

Popularity 8/10 Helpfulness 2/10 Language whatever

Source: stackoverflow.com

Tags: neo4j not-exists whatever

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Contributed on Aug 05 2021

johannb75

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not create if exist neo4j

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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 exist

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: whatever neo4j neo4

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Contributed on Oct 03 2021

Jolly Jay

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create if not exists neo4j

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