我的不规范指令如下
create (n1)-[r:基础]->(n2)
生成的知识图谱如下
删除节点显示需要先删除掉它的关系,解决方法如下
Cannot delete node<4>, because it still has relationships. To delete this node, you must first delete its relationships.
ps:由于创建的两个节点没有名字,但是是使用n1和n2来创建的,删除也要用n1和n2的关系删除
①删除两个实体间的关系
match (n1)-[r:'基础']-(n2) delete n
②删除独立出来的节点(查询它的id删除)
match (r) where id(r)=4 delete r
③resolve!
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