如何重设/清除/删除neo4j数据库? [英] How to reset / clear / delete neo4j database?

问题描述

我们可以通过以下查询删除所有节点和关系.

We can delete all nodes and relationships by following query.

MATCH (n) OPTIONAL MATCH (n)-[r]-() DELETE n,r

但是新创建的节点的内部ID为({last node internal id} + 1).它不会重置为零.

But newly created node get internal id as ({last node internal id} + 1) . It doesn't reset to zero.

我们如何重置neo4j数据库，例如新创建的节点将id设置为0?

How can we reset neo4j database such as newly created node will get id as 0?

从2.3开始，我们可以删除所有具有关系的节点，

From 2.3, we can delete all nodes with relationships,

MATCH (n)
DETACH DELETE n

推荐答案

关闭Neo4j服务器，执行rm -rf data/graph.db，然后再次启动服务器.此过程将完全擦除您的数据，因此请谨慎处理.

Shut down your Neo4j server, do a rm -rf data/graph.db and start up the server again. This procedure completely wipes your data, so handle with care.

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