Movatterモバイル変換


[0]ホーム

URL:


Skip to content
DEV Community
Log in Create account

DEV Community

Rahimullah Shaheen
Rahimullah Shaheen

Posted on

     

Beginner's Guide to CRUD Operations in Apache age

Cypher is a query language specifically designed for querying and manipulating data in graph databases like Apache age. It provides a simple and expressive syntax for performing CRUD operations (Create, Read, Update, Delete) on graph data.
In this blog post, we will explore how to use Cypher to perform CRUD operations and provide examples to help you understand and apply these operations in your graph database workflows.

Create:
Creating nodes and relationships is a fundamental part of working with graph databases. In Cypher, you can create nodes using the CREATE clause and relationships using theCREATEclause along with the-[RELATIONSHIP_NAME]->syntax.

Here is an example

CREATE (node:Label {property1: value1, property2: value2})CREATE (node1)-[:RELATIONSHIP]->(node2)
Enter fullscreen modeExit fullscreen mode

Read:
Reading data in Cypher involves querying the graph database to retrieve nodes, relationships, or specific patterns. TheMATCH clause is used to specify the pattern to match, and theRETURN clause is used to specify what data to retrieve.

Here is a few examples:

MATCH (node:Label)RETURN nodeMATCH (node1)-[:RELATIONSHIP]->(node2)RETURN node1, node2MATCH (node:Label)WHERE node.property = valueRETURN node
Enter fullscreen modeExit fullscreen mode

Update:
Updating data in Cypher involves modifying existing nodes or relationships. TheSET clause is used to update properties of nodes or relationships.

Here is an example:

MATCH (node:Label)WHERE node.property = valueSET node.property = newValue
Enter fullscreen modeExit fullscreen mode

Delete:
Deleting data in Cypher involves removing nodes or relationships from the graph. TheDETACH DELETE clause is used to delete a node and its relationships, or you can use theDELETE clause to delete a node without deleting its relationships.

Here is an examples:

MATCH (node:Label)WHERE node.property = valueDETACH DELETE nodeMATCH (node:Label)WHERE node.property = valueDELETE node
Enter fullscreen modeExit fullscreen mode

Conclusion:
CRUD operations are essential for managing data in graph databases, and Cypher provides a powerful and intuitive syntax for performing these operations in apache age. In this blog post, we explored how to use Cypher to perform CRUD operations, including creating nodes and relationships, reading data from the graph, updating existing data, and deleting nodes and relationships. By mastering these operations, you'll be equipped to work effectively with graph databases and harness the full potential of Cypher for data manipulation.

Top comments(0)

Subscribe
pic
Create template

Templates let you quickly answer FAQs or store snippets for re-use.

Dismiss

Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment'spermalink.

For further actions, you may consider blocking this person and/orreporting abuse

Passionate about programming and constantly learning new things.
  • Education
    National University of Science and Technology
  • Work
    Software Engineer intern at bitnine
  • Joined

More fromRahimullah Shaheen

DEV Community

We're a place where coders share, stay up-to-date and grow their careers.

Log in Create account

[8]ページ先頭

©2009-2025 Movatter.jp