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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

Exploring the data in Graph

Once we load the data into the graph, as we learned about in the previous chapter, when we go to the database in the browser, it shows basic details such as the node labels in the database, the relationship types available, the total node count, and the total count of relationships, along with the property names that exist in the database.

The following screenshot shows these details:

Figure 4.1 – Graph data counts in the database

We can see the node-related details on the top left-hand side of the screen, and below it, we can see the relationship details. All of these are selectable items and when you click on them, a Cypher query runs against the database to show a sample related to the name you clicked. For instance, if you click on the node label, 25 nodes of those types are shown. The same applies to the relationship types shown.

We can get the database statistics by executing the Cypher query:

CALL apoc.meta...

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