Neo4j: Delete all the nodes

Syntax to delete all the nodes

MATCH (n) DETACH DELETE (n)

 

Follow below steps to test above query.

 

Step 1: Open neo4j browser by hitting following url in browser.

http://localhost:7474/browser/

 

Step 2: Execute following queries in $ prompt to create 3 nodes.

CREATE (Sailaja:Person{name: "Sailaja", age: 32, city: "Hyderabad", female: true})

CREATE (RamaKrishna:Person{name: "Rama Krishna", age: 32, city: "Bangalore", male: true})

CREATE (SivaKrishna:Person{name: "Siva Krishna", age: 32, city: "Amaravati", male: true})

 

Step 3: Confirm that the nodes are created by executing below command.

MATCH (n) RETURN n

 

Step 4: Delete all the nodes by executing below command.

MATCH (n) DETACH DELETE (n)

 

Step 5: Confirm that the nodes are deleted by executing below command.

MATCH (n) return n

 

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