Filter, Aggregate, and Combine Results

Filtering

Pattern matching is useful to describe the data we are looking for and how nodes and relations are organized in the graph database. However, we often need to filter data in more detail.

The book store – an example

In this chapter, we'll learn how to filter results using a real-world example: the book store. Just as we saw in the previous chapter, we have to define labels and relationships. A minimal set of labels are as follows:

Book: This label includes all the books
Person: This label includes authors, translators, reviewers, and so on
Publisher: This label includes the publishers of books in the database
User: This label includes the users of the website

A set of basic relationships are as follows:

PublishedBy: This relationship is used to specify that a book was published by a publisher
Votes: This relationship describes the relation between a user and a book, for example, how a book was rated by a user

Every book has the following properties:

Title: This is the title of the book...

Tech Concepts

Programming languages

Tech Tools

Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.

Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.

50+ new titles added per month and exclusive early access to books as they are being written.

Learning Cypher

By : Onofrio Panzarino

Learning Cypher

By: Onofrio Panzarino

Overview of this book

Filtering

The book store – an example

Learning Cypher

By : Onofrio Panzarino

Learning Cypher

By: Onofrio Panzarino

Overview of this book

Filtering

The book store – an example

Confirmation

Buy this book with your credits?

Submit Your Feedback

Create a Free Account To Continue Reading

Sign in to activate your 7-day free access