Book Image

Learning Neo4j 3.x - Second Edition

By : Jerome Baton
Book Image

Learning Neo4j 3.x - Second Edition

By: Jerome Baton

Overview of this book

Neo4j is a graph database that allows traversing huge amounts of data with ease. This book aims at quickly getting you started with the popular graph database Neo4j. Starting with a brief introduction to graph theory, this book will show you the advantages of using graph databases along with data modeling techniques for graph databases. You'll gain practical hands-on experience with commonly used and lesser known features for updating graph store with Neo4j's Cypher query language. Furthermore, you'll also learn to create awesome procedures using APOC and extend Neo4j's functionality, enabling integration, algorithmic analysis, and other advanced spatial operation capabilities on data. Through the course of the book you will come across implementation examples on the latest updates in Neo4j, such as in-graph indexes, scaling, performance improvements, visualization, data refactoring techniques, security enhancements, and much more. By the end of the book, you'll have gained the skills to design and implement modern spatial applications, from graphing data to unraveling business capabilities with the help of real-world use cases.
Table of Contents (24 chapters)
Title Page
Credits
About the Authors
Acknowledgement
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Users management


Admins can create new users in the Neo4j browser with this command, which brings up a user interface:

:server user add

Give a name, role, and password to the new user. Check whether the creation worked by viewing the list of users with the following command:

:server user list

From this list, it is possible to disable or delete a user.

Of course, you are not forced to use a web UI with inputs and buttons. There are more built-in procedures to manage users, accessible via the Neo4j browser or via the Cypher shell:

Create a user

CALL dbms.security.createUser(usernamepasswordrequirePasswordChange)

Delete a user

CALL dbms.security.deleteUser(username​)

Assign a role to a user

CALL dbms.security.addRoleToUser(roleNameusername)

Remove a role from a user

CALL dbms.security.removeRoleFromUser(roleNameusername)

Create a role

CALL dbms.security.createRole('newRoleName')

Delete a role

CALL dbms.security.deleteRole('newRoleName')

Change a user’s password

CALL dbms.security.changeUserPassword(username...