Beginning Database Design Solutions, 2nd Edition

20Neo4j AuraDB in Python

This chapter's example uses Python to build a NoSQL graph database in the cloud. It uses the Neo4j AuraDB database to build and perform queries on the org chart shown in Figure 20.1.

FIGURE 20.1

This example uses an adapter called neo4j, which is the official database adapter provided by Neo4j.

The following section explains how to install the Neo4j AuraDB database engine in the cloud. The section after that explains how to install the neo4j database adapter. The rest of the chapter describes the example program.

INSTALL NEO4J AURADB

Neo4j AuraDB is a fully managed graph database service in the cloud. Neo4j provides many other services that can do more than AuraDB, but this one is simple and, best of all, free.

To install AuraDB, go to http://neo4j.com/cloud/platform/aura-graph-database, click the Start Free button, fill out the registration form, and create a free account.

WARNING If your ad/spam blocker software is sufficiently paranoid, it may block the Neo4j website. (I didn't have trouble but technical editor, John, did.) You may need to whitelist the site to enter.

You should not need to enter credit card information to get a free account (unless they change the way this works later).

Also note that you only get one database instance for free. Feel free to experiment, but if you stray too far from the instructions in this chapter, you ...