Neo4j · question
Q.03 of 29
How do you create nodes and relationships in Neo4j?
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Re-explain
Creating nodes:
CREATE (p:Person {name: "John", age: 30})
Creating relationships:
// Between existing nodes
MATCH (a:Person {name: "John"}), (b:Person {name: "Jane"})
CREATE (a)-[:KNOWS {since: 2020}]->(b)
// Create nodes and relationship together
CREATE (a:Person {name: "Bob"})-[:WORKS_FOR]->(c:Company {name: "TechCorp"})
Best practices:
- Use MERGE instead of CREATE to avoid duplicates
- Always specify node labels for better performance
- Use meaningful relationship types
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