GraphAcademy Discussions

About the Graph Academy category

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

Intro to Cypher db.schema command incomplete

In the section Examining the Data Model, there is an example of "CALL db.schema" but this returns an error. I nosed around after typing "CALL db." and found that "CALL db.schema.visualization" is the appropriate syntax.

Data science training - part 3 - quiz question 2

Hi - I'm stuck with question 2 in part 3 of the Data Science training. https://neo4j.com/graphacademy/online-training/data-science/part-3/ After trying to work out the answer in the normal way I gave up and resorted to a brute force approach. I have...

Exercise 13.4: Open a second Neo4j Browser session

How? Clicking the "Open" button doesn't appear to do anything if an existing Neo4j Browser window is already open.

Exercise 8.12, Intro to neo4j v 4.0.3

I've now gone through exercise 8 up to 8.12 twice. The first time I would read an exercise then type out how I thought the answer should be formed, go to the next page (where the solution displays) and check to ensure what I wrote matched before play...

Question about exercise 5.11

I have a question about exercise 5.11: ‘Retrieve the actors who have acted in exactly five movies, returning the name of the actor, and the list of movies for that actor.’ The solution in the course is as follows: MATCH (a:Person)-[:ACTED_IN]->(m:Mov...

Exercises 4.9 using CONTAINS (v4.0.3)

This works: MATCH (m:Movie) WHERE m.tagline CONTAINS 'love' RETURN m.title This does not work: MATCH (m:Movie) WHERE toLower(m.tagline) CONTAINS 'love' RETURN m.title The error is "Expected a string value for 'toLower', but got: NO_VALUE..." Same err...

Question about exercise 6.3

Exercise 6.3 reads as follows: “The results returned from the previous query returns the collection of movie titles with duplicates. That is because there are multiple actors per released year. Next, modify the query so that there is no duplication o...

Module: Managing a Neo4j Database - create a script named ListProcedures.sh

Suggested Improvement. I suggest moving this step: "8 In the /usr/local/work folder, create a script named ListProcedures.sh that will write the list of procedures available to the Neo4j instance to the /usr/local/work/Procedures.txt file." Fro...

Module: Managing a Neo4j Database - There is no procedure with the name `db.procedures`

The online training material is incorrect. Link - https://neo4j.com/graphacademy/online-training/neo4j-administration/part-3/ "First, you should understand how to view the procedures available for use with the Neo4j instance. You do so by executing t...

Exercise 3.3 CODE HELP

Looking to create code for Exercise 3.3 for the below question: *** Retrieve all people connected with a particular movie.** Inputted the below code but received an error MATCH (p:Person)->(:Movie {title:"A League of their Own"}) Return p What am I d...

Exercise 5.1 Inquire regarding 'Using two MATCH patterns'

Hi there, I'm studying the query below, and wondering why the result co-actors didn't show actor Meg Ryan herself? Suppose after we get all movie list in variable m, then the second MATCH pattern should list out all the actors who ACTED_IN movies lis...

Sentence error in online training

On this page - https://neo4j.com/graphacademy/online-training/introduction-to-neo4j/part-6/ "If were were to attempt to delete the Liam Neeson node without first deleting its relationships:"

Square one

So I would like to ask the simplest question out there. But where better to ask. In the graph academy: Neo4j-administration, managing a neo4j database I am asked to enter "bin/neo4j-admin set-initial-password newPassword" to change password. I have b...

Online Neo4j Admin quiz question 5.2

I went through the online training, except having trouble on only one question in Admin online training (Security 5.2). I thought the answer should be all of the answers . However, it did not went through. My understanding is that it requires SSL p...

Resolved! Graph Academy 2MATCH patterns

In graphacademy/online-training/ Part 5 . we retrieve the actors who acted in the same movies as Keanu Reeves , but not when Hugo Weaving acted in the same movie. MATCH (keanu:Person)-[:ACTED_IN]->(movie:Movie)<-[:ACTED_IN]-(n:Person), (hugo:Perso...

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Forum Posts

About the Graph Academy category

Intro to Cypher db.schema command incomplete

Data science training - part 3 - quiz question 2

Exercise 13.4: Open a second Neo4j Browser session

Exercise 8.12, Intro to neo4j v 4.0.3

Question about exercise 5.11

Exercises 4.9 using CONTAINS (v4.0.3)

Question about exercise 6.3

Module: Managing a Neo4j Database - create a script named ListProcedures.sh

Module: Managing a Neo4j Database - There is no procedure with the name `db.procedures`

Exercise 3.3 CODE HELP

Exercise 5.1 Inquire regarding 'Using two MATCH patterns'

Sentence error in online training

Square one

Online Neo4j Admin quiz question 5.2

Resolved! Graph Academy 2MATCH patterns

Importing CSV files with the Neo4j Data Importer e...

Sandbox loading forever in Neo4j academy

Neo4j Browser window is not opening

In the 'Cypher Indexes and Constraints' course, Is...

Node properties - Difference between "identity" an...

queries cross graphs

Can I Use a command to get all result from 2 relat...

Problem with "Intermediate Cypher Queries Course" ...

Activating virtual environment in: Building Neo4j ...

Graph Academy: Importing CSV Data : Data Importer