GraphAcademy Discussions

About the Graph Academy category

Discussions about Graph Academy courses. Live classes meet on Discord channel #graphacademy

Resolved! Exercise 16.3 - Importing data from CSV

Answer given by the tutorial. LOAD CSV WITH HEADERS FROM 'http://data.neo4j.com/v4.0-intro-neo4j/actors.csv' AS line MERGE (actor:Person {name: line.name}) ON CREATE SET actor.born = toInteger(trim(line.birthYear)), actor.actorId = line.id ON MATCH S...

Unable to complete Exercise 19 due to password error? [resolved]

So I ran through the guides, installed everything and double checked. But I can't seem to get groovy import.groovy to work even after modifying the username and password, it keep giving me this error: Caught: org.neo4j.driver.exceptions.Authenticatio...

Resolved! Optimising properties access

Hello there I was reading the optimising properties access chapter in the query tuning course and I wanted to double check something with you: If the first elapsed time is the time for the query to be executed and the second time is the one for the q...

Resolved! Basic Administration Exercise #4 - config not loading

Trying to change the default db on my Neo4j instance running in Docker per the exercise at Using cypher-shell to Manage Databases - Basic Neo4j 4.x Administration, but not having any luck. Working on a Windows 10 machine. I have created databaseone: ...

Query tuning - Reducing cardinality chapter weird?

Hello there In the Improved query using full-text schema index example description we can read "The solution to this is the remove the labels from the MATCH statement". So this suppose that there was a MATCH statement in the previous example that we ...

Index selectivity

Hello there I'm struggling to understand the concept of index selectivity in the query tuning course. Why is that a value of 0 to 1 and where can we list every index selectivity.

Excercise 2 missing in Introduction to Neo4j 4.0 - Module Introduction to Cypher

:play 4.0-intro-neo4j-exercises Excercise instructions not available.

Continuous Learning: Data Modeling Design Patterns

Later today, we're hosting a Continuous Learning session about data modeling. This series is an internal Neo4j program which we're opening up to community participation. To join in, meet us on Discord #open-space where we'll share dial-in information...

Study Groups

Hello friends, As graph people, we've all realized that everything is better when connected together. That can be true of learning as well! Would anyone be interested in group study sessions, to take Graph Academy courses together? We're thinking abo...

Resolved! How to QUICKLY Get to my Aura Database

I created an Aura database to work through the examples in the training academy, but 'getting' to that database appears to require a Herculean effort. I first have to find some 'other' neo4j that has a hyperlink to the Aura console, then click that,...

Brand new to Neo4j, beginning movie-graph tutorial doesn't work

I have some experience with Graph databases, but I've yet to try Neo4j. I've done a fresh install using Docker, and logged into the browser but from there I get errors. Trying to "play movie-graph", running the command ":use system" gives an "Unsupp...