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- Neo4j Tutorial
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- Neo4j - Overview
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- Neo4j CQL Write Clauses
- Neo4j - Merge Command
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- Neo4j - Delete Clause
- Neo4j - Remove Clause
- Neo4j - Foreach Clause
- Neo4j CQL Read Clause
- Neo4j - Match Clause
- Neo4j - Optional Match Clause
- Neo4j - Where Clause
- Neo4j - Count Function
- Neo4j CQL General Clauses
- Neo4j - Return Clause
- Neo4j - Order By Clause
- Neo4j - Limit Clause
- Neo4j - Skip Clause
- Neo4j - With Clause
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- Neo4j CQL Functions
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- Neo4j - Aggregation Function
- Neo4j CQL Admin
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- Neo4j Useful Resources
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Neo4j - Remove Clause
The REMOVE clause is used to remove properties and labels from graph elements (Nodes or Relationships).
The main difference between Neo4j CQL DELETE and REMOVE commands is −
- DELETE operation is used to delete nodes and associated relationships.
- REMOVE operation is used to remove labels and properties.
Removing a Property
You can remove a property of a node using MATCH along with the REMOVE clause.
Syntax
Following is the syntax to remove a property of a node using the REMOVE clause.
MATCH (node:label{properties . . . . . . . }) REMOVE node.property RETURN node
Example
Before proceeding with the example, create a node named Dhoni as shown below.
CREATE (Dhoni:player {name: "MahendraSingh Dhoni", YOB: 1981, POB: "Ranchi"})
Following is a sample Cypher Query to remove the above created node using the REMOVE clause.
MATCH (Dhoni:player {name: "MahendraSingh Dhoni", YOB: 1981, POB: "Ranchi"}) REMOVE Dhoni.POB RETURN Dhoni
To execute the above query, carry out the following steps −
Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Neo4j using the URL http://localhost:7474/ as shown in the following screenshot.
![Browser App](/neo4j/images/browser_app.jpg)
Step 2 − Copy and paste the desired query in the dollar prompt and press the play button (to execute the query) highlighted in the following screenshot.
![Remove Ranchi](/neo4j/images/remove_ranchi.jpg)
Result
On executing, you will get the following result. Here, you can observe that the node named POB was deleted.
![Remove Property Result](/neo4j/images/remove_property_result.jpg)
Removing a Label From a Node
Similar to property, you can also remove a label from an existing node using the remove clause.
Syntax
Following is the syntax to remove a label from a node.
MATCH (node:label {properties . . . . . . . . . . . }) REMOVE node:label RETURN node
Example
Following is a sample Cypher Query to remove a label from an existing node using the remove clause.
MATCH (Dhoni:player {name: "MahendraSingh Dhoni", YOB: 1981, POB: "Ranchi"}) REMOVE Dhoni:player RETURN Dhoni
To execute the above query, carry out the following steps −
Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Neo4j using the URL http://localhost:7474/ as shown in the following screenshot.
![Browser App](/neo4j/images/browser_app.jpg)
Step 2 − Copy and paste the desired query in the dollar prompt and press the play button (to execute the query) highlighted in the following screenshot.
![Remove Player](/neo4j/images/remove_player.jpg)
Result
On executing, you will get the following result. Here, you can observe that the label was deleted from the node.
![Remove Result](/neo4j/images/remove_result.jpg)
Removing Multiple Labels
You can also remove multiple labels from an existing node.
Syntax
Following is the syntax to remove multiple labels from a node.
MATCH (node:label1:label2 {properties . . . . . . . . }) REMOVE node:label1:label2 RETURN node
Example
Before proceeding with the example, create a node Ishant as shown below.
CREATE (Ishant:player:person {name: "Ishant Sharma", YOB: 1988, POB: "Delhi"})
Following is a sample Cypher Query to remove multiple labels from a node.
MATCH (Ishant:player:person {name: "Ishant Sharma", YOB: 1988, POB: "Delhi"}) REMOVE Ishant:player:person RETURN Ishant
To execute the above query, carry out the following steps −
Step 1 − Open the Neo4j desktop App and start the Neo4j Server. Open the built-in browser app of Neo4j using the URL http://localhost:7474/ as shown in the following screenshot.
![Browser App](/neo4j/images/browser_app.jpg)
Step 2 − Copy and paste the desired query in the dollar prompt and press the play button (to execute the query) highlighted in the following screenshot.
![Remove Multi Label](/neo4j/images/remove_multi_label.jpg)
Result
On executing, you will get the following result. Here, you can observe that the specified labels were deleted from the node.
![Multi Label Result](/neo4j/images/multi_label_result.jpg)
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