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Graph Data Processing with Cypher

Graph Data Processing with Cypher

By : Ravindranatha Anthapu
4.7 (10)
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Graph Data Processing with Cypher

Graph Data Processing with Cypher

4.7 (10)
By: Ravindranatha Anthapu

Overview of this book

While it is easy to learn and understand the Cypher declarative language for querying graph databases, it can be very difficult to master it. As graph databases are becoming more mainstream, there is a dearth of content and guidance for developers to leverage database capabilities fully. This book fills the information gap by describing graph traversal patterns in a simple and readable way. This book provides a guided tour of Cypher from understanding the syntax, building a graph data model, and loading the data into graphs to building queries and profiling the queries for best performance. It introduces APOC utilities that can augment Cypher queries to build complex queries. You’ll also be introduced to visualization tools such as Bloom to get the most out of the graph when presenting the results to the end users. After having worked through this book, you’ll have become a seasoned Cypher query developer with a good understanding of the query language and how to use it for the best performance.
Table of Contents (18 chapters)
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1
Part 1: Cypher Introduction
4
Part 2: Working with Cypher
9
Part 3: Advanced Cypher Concepts

Loading data using client drivers

When you use LOAD CSV, the server is responsible for downloading the CSV content and executing the Cypher statements to load the data. There is another option to load the data into Neo4j. We can use Neo4j drivers from an application to load the data.

Neo4j documentation - Drivers and APIs (https://neo4j.com/docs/drivers-apis/) contains the documentation on all the options available. In this section, we will discuss using Java and Python drivers to load the data.

Neo4j client applications make use of a driver that, from a data access perspective, will work as the main form of communication within a database. It is through this driver instance that Cypher query execution is carried out. An application should create a driver instance and use it in the application. The driver communicates with the Neo4j server using the Bolt protocol.

Let’s take a look at how we can create a driver instance here:

  • This shows how a driver instance...

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