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Getting Started with the Graph Query Language (GQL)

You're reading from Getting Started with the Graph Query Language (GQL) A complete guide to designing, querying, and managing graph databases with GQL

Product type Paperback

Published in Aug 2025

Publisher Packt

ISBN-13 9781836204015

Length 382 pages

Edition 1st Edition

Languages

Cypher

Concepts

Databases

Authors (3):

Ricky Sun

Yuri Simione

Jason Zhang

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Table of Contents (18) Chapters

Preface

1. Evolution Towards Graph Databases FREE CHAPTER

2. Key Concepts of GQL

3. Getting Started with GQL

4. GQL Basics

5. Exploring Expressions and Operators

6. Working With GQL Functions

7. Delve into Advanced Clauses

8. Configuring Sessions

9. Graph Transactions

10. Conformance to the GQL Standard

11. Beyond GQL

12. A Case Study – Anti-Fraud

13. The Evolving Landscape of GQL

14. Glossary and Resources

Resources

15. Unlock Your Exclusive Benefits

Unlock this Book’s Free Benefits in 3 Easy Steps

16. Other Books You May Enjoy

17. Index

Summary

In this chapter, we covered various operators for comparing values, calculating numeric values, composing value expressions, and obtaining truth values using Boolean operators. We explored value expressions and learned how to specify values through operators and expressions. Finally, we discussed the CASE expression, which is valuable for defining values based on conditions.

With a solid understanding of GQL operators and value expressions, we are ready to move to the next chapter, on GQL functions, which offer robust capabilities for use in GQL value expressions.

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Authors (3)

Ricky Sun

Ricky Sun

Ricky Sun is a serial entrepreneur and an expert in high-performance storage and computing systems. He is also the author of several technology books. Ricky began his career in Silicon Valley, working with his professor a year before graduating from Santa Clara University. Over the past 20+ years, he has experienced three mergers and acquisitions. Ultipa is his fourth venture. Ricky previously served as CTO of EMC Asia R&D Center, managing director of EMC Labs China, and chief architect of Splashtop, a pre-IPO unicorn startup. He was also the CEO of Allhistory, a knowledge graph-powered causality search engine, now part of Human, a publicly traded online education services company. Ricky is the author of the The Essential Criteria of Graph Databases book.

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Yuri Simione

Yuri Simione

Yuri Simione holds a Master's degree in Computer Science from the University of Pisa, Italy. He has nearly 30 years of IT experience. He has worked with large enterprises like Xerox and EMC (now Dell EMC), specialising in managing unstructured information projects with products like Opentext Documentum and Adobe Experience Management. In 2014, Yuri recognized the potential of graph databases for handling unstructured data and shifted his focus to this technology and the semantic knowledge graphs market. He currently serves as VP of Partnerships and Alliances at Ultipa, a leading graph database and graph analytics vendor.

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Jason Zhang

Jason Zhang

Jason Zhang holds a Master's degree in Computer Science from SUPINFO, Paris, and has over 10 years of IT experience. He has worked for startups and is currently the Director of Engineering at Ultipa. In his role, Jason has contributed to the design and implementation of Ultipa's property graph database, recognized as one of the most performant and innovative in the market. He leads the implementation of Ultipa Graph and adds support for the GQL standard.

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