Neo4J：删除关系_neo4j删除关系

1、现有关系

MATCH (n:Person) RETURN n;
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2、不能删除含有关系的节点

MATCH(p:Person) DELETE p;
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Neo.ClientError.Schema.ConstraintValidationFailed: Cannot delete node<1153>, because it still has relationships. To delete this node, you must first delete its relationships.
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3、删除指定关系

MATCH (p1:Person)-[r:LOVES]-(p2:Person) 
DELETE p1,p2,r
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注意，delete子句的格式是DELETE <node1-name>,<node2-name>,<relationship-name>

剩下的实体关系

4、DETACH DELETE

MATCH(p:Person)
DETACH DELETE p;
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