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Learning Neo4j 3.x

You're reading from   Learning Neo4j 3.x Effective data modeling, performance tuning and data visualization techniques in Neo4j

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781786466143
Length 316 pages
Edition 2nd Edition
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Authors (2):
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Jerome Baton Jerome Baton
Author Profile Icon Jerome Baton
Jerome Baton
Rik Van Bruggen Rik Van Bruggen
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Rik Van Bruggen
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Toc

Table of Contents (17) Chapters Close

Preface 1. Graph Theory and Databases 2. Getting Started with Neo4j FREE CHAPTER 3. Modeling Data for Neo4j 4. Getting Started with Cypher 5. Awesome Procedures on Cypher - APOC 6. Extending Cypher 7. Query Performance Tuning 8. Importing Data into Neo4j 9. Going Spatial 10. Security 11. Visualizations for Neo4j 12. Data Refactoring with Neo4j 13. Clustering 14. Use Case Example - Recommendations 15. Use Case Example - Impact Analysis and Simulation 16. Tips and Tricks

Writing the Cypher syntax

I like short examples to set the mind in a good direction, so I'll start with this. If I want to write Romeo loves Juliet in Cypher, the Cypher syntax will be as follows:

(romeo:Person{name: "Romeo"})-[:LOVES]->(juliet:Person{name:"Juliet"})

See, this is almost ASCII-Art. Do you see the pattern?

(NODE1)-[:RELATION]->(NODE2)

Now, should you want to create those nodes and relations in your database, type the following in the prompt in the upper part of the Neo4j browser (available at localhost:7474 if you have started your server):

CREATE (romeo:Person{name: "Romeo"})-[:LOVES]->(juliet:Person{name:"Juliet"})

Then, you are greeted with a message telling you about counts of created nodes and relations.

There you are; you have just created data! Did you just say wow? Yes, that was easy. Indeed, every person...

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