Hi ,
I Mispelled my name when enrolled the course, now I cannot change it to get it right on the certificate.
Is there any way to fix that ?
Thanks and best wishes for 2020.
Neo4j Administration course, Part 4, Exercise 3, Step 2, when executing ./testRead.sh bolt 11687 I got the above error. I found the solution:
Need to make sure the passwords for core1, core2, and core3 databases matches the password in the four .java...
I'm working my way through the Neo4J certification course, and am finding the exercises really useful. is there an easy way (short of copy and paste into a word document) to get the solutions of the exercises as a future reference point to see how I ...
It's like it wasn't even tested.
You run the first exercise. Fine, after a lot of squirreling around with errors, it seems to run the Graph initialization in the notebook... then you get to the second exercise and it tells you that py2neo isn't insta...
I am preparing for Neo4j Certification examination and have completed the Introduction to Neo4j online training. Towards the end of the course it is mentioned that the certification exam tests on content in the Neo4j in Production online course as we...
Hi All,
Either with the tutorial command
MATCH (a1:Person)-[:ACTED_IN]->(m:Movie)<-[:ACTED_IN]-(a2:Person)
WHERE exists( (a2)-[:DIRECTED]->(m) )
RETURN a1.name as Actor, a2.name as Actor/Director, m.title as Movie
or with this command
match (p:Pe...
Hi all,
In Exercise 4.5 ( Retrieve all people that wrote movies by testing the relationship between two nodes), I've tried this query:
MATCH (p:Person) -- (m:Movie) WHERE ((p)-[:WROTE]->(m)) RETURN p.name, m.time
and I get
p.namem.title"Aaron Sork...
Was following neo4j tutorials to run core servers on a docker container, everything works fine until I get the following error when running the command docker start -a core1
error:
Starting Neo4j.
2019-10-13 17:24:14.009+0000 WARN ha.host.data is d...
Hi. Since three days ago, I have triying to connect my sandbox proyect with the graph of the example but when I execute the next code:
graph = Graph("bolt://52.86.200.133:34830", auth=("neo4j", "pots-aluminum-groom")) with my credentials and after th...
Error - doubled IT IT:
Using MERGE to create relationships is expensive and you should only do it when you need to ensure that a relationship is unique and you are not sure it it already exists.
Need to fix with IF IT
In the Cypher Refresher module for the Applied Graph Algorithm Training one of the first tutorial pages has the following:
We’ll start by seeing which cities have the most reviews:
MATCH (c:City)
RETURN c.name, size((c)<-[:IN_CITY]-()) AS numberOfR...
Dear Neo4j community,
I'm new to Neo4j so i don't know if my observation is correct, but i believe that the example code of the solution page in exercise 7.1 is bugged. The introduction text states:
Write a Cypher query that retrieves all actors tha...
Dear Neo4j Community,
I just started to learn Neo4j and have some trouble understanding the logic behind two similar Cypher statements I used in exercise 4.10
The question in the exercise is:
Retrieve all people who have produced a movie, but have n...
Hi,
I've just learned Neo4j and Cypher. In the Quizzes section of 'Advanced Queries'. Question 1: Suppose you want to add a WHERE clause at the end of this statement to filter the results retrieved.
MATCH (p:Person)-[rel]->(m:Movie)<-[:PRODUCED]-(:...
