Note_Tech

All technological notes.

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Cypher - Set Property

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• Cypher - Set Property
  • Set a Label on a Node
  • Set Property
  • Remove a Property

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Set a Label on a Node

• Syntax

MATCH (n {properties . . . . . . . })
SET n :label
RETURN n

• Example: Single label

CREATE (Ganguly {name: "Saurav Ganguly", YOB: 1968, POB: "Kolkata"})

MATCH (Ganguly {name: "Saurav Ganguly", YOB: 1968, POB: "Kolkata"})
SET Ganguly: player
RETURN Ganguly

• Example: Multiple label

CREATE (Chetan {name: "Chetan Sharma", YOB: 1958, POB: "Delhi"})

MATCH (Chetan {name: "Chetan Sharma", YOB: 1958, POB: "Delhi"})
SET Chetan: player:person
RETURN Chetan

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Set Property

• Syntax

// set
MATCH (node:label {properties})
SET node.property1 = value, node.property2 = value
RETURN node

• Example

CREATE (Hardik:player{name: "Hardik Pandya", YOB: 1992, POB: "Gujrat"})

MATCH (Hardik:player{name: "Hardik Pandya", YOB: 1992, POB: "Gujrat"})
SET Hardik.hattrick = 666
RETURN Hardik

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Remove a Property

• Syntax

MATCH (node:label {properties})
SET node.property = NULL
RETURN node

• Example

Create (Dhoni:player {name: "Mahendra Singh Dhoni", YOB: 1978, POB: "Bihar"})

MATCH (Dhoni:player {name: "Mahendra Singh Dhoni", YOB: 1978, POB: "Bihar"})
SET Dhoni.POB = NULL
RETURN Dhoni

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