neo4j Questions
3
Solved
I just started to learn Neo4j.However, I come across a problem when connecting to Neo4j at the very beginning. As the image shown, it says "The client is unauthorized due to authentication failure....
Naresh asked 25/1, 2017 at 15:29
5
Solved
I've built and installed the "apoc" procedures according to the github page (The apoc-1.0.0-SNAPSHOT.jar file was copied into the plugins directory after the suerver was stopped, and then I started...
Jink asked 27/4, 2016 at 18:7
3
Solved
Is it possible to extract in a single cypher query a limited set of nodes and the total number of nodes?
match (n:Molecule) with n, count(*) as nb limit 10 return {N: nb, nodes: collect(n)}
The...
7
Solved
What is the best way to cleanup the graph from all nodes and relationships via Cypher?
At http://neo4j.com/docs/stable/query-delete.html#delete-delete-a-node-and-connected-relationships the exampl...
3
Is there any way to use UNWIND for potentially empty collections (e.g. OPTIONAL UNWIND g)?
For instance, in the attached query it occurs that the collection (items) is empty sometimes (3rd block),...
Wembley asked 24/4, 2015 at 7:3
4
Solved
I am having 2 node types lets say of type 'Student' and 'Teacher'
Student have {id, name}.
Teacher have {id, name}.
Student can have optional relationship with Class node as 'TEACHES'.
(t:Teach...
Deposition asked 21/4, 2014 at 11:4
7
Solved
I would like to find out all the incoming and outgoing relationships for a node. I tried couple of queries suggested in other questions but not having much luck. These are the two I tried
MATCH (a...
2
Solved
I want to go from docker-compose to kubernetes.
I already have a docker-compose, and docker images that work perfectly fine.
Now I have difficulty deploying it to kubernetes, specifically with neo4...
Vergievergil asked 9/5, 2023 at 9:39
4
Solved
How do you create multiple databases on one server using neo4j?
I have multiple clients, and I want to separate all client information into different database to avoid data leaks.
6
Solved
When I've created some constraints on the graph, how is possible to see them and in case eliminate them? What is the syntax to treat them as elements of the graph?
Corell asked 9/2, 2014 at 11:7
3
Solved
I just got started on Neo & tried to look for prior questions on this topic. I need help to rename one of the property keys.
I created the following node:
CREATE (Commerce:Category {title:' C...
3
Solved
Is there any way to create a hypergraph in neo4j? Or any other db tool for this issue?
3
I am copying part of my Main Neo4j Graph(mainDB) into another Graph (dupDB), while doing so how can I create a Node in dupDB that has similar properties as one in mainDB.
I would do
Node main = ...
Drawbridge asked 27/6, 2012 at 8:17
0
When upgrading to Neo4j v5.9.0 I tried to enforce the Neo4j v5 dialect as the documentation suggests by creating the following configuration
import org.neo4j.cypherdsl.core.renderer.Dialect
import ...
Kauffmann asked 10/8, 2023 at 8:2
14
Solved
Is it possible to create/delete different databases in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for ...
Bozuwa asked 21/12, 2010 at 10:56
4
Solved
I am attempting to connect to Neo4j but I keep getting this error. I tried
from neo4j.v1 import GraphDatabase
driver = GraphDatabase.driver(uri="bolt://localhost:7687", auth=("neo4j", "12345"))
...
Solomon asked 2/2, 2020 at 5:6
5
Just started my excursion to graph processing methods and tools. What we basically do - count some standard metrics like pagerank, clustering coefficient, triangle count, diameter, connectivity etc...
Prebo asked 19/2, 2015 at 14:40
8
Solved
I'm trying to list all of the properties for a set of nodes.
Match (n:"Indicator")
return properties(n), ID(n)
I'm unsure of the syntax and couldn't find the answer in the refcard or docs.
5
Solved
I can't find any answer in the Internet to this question.
Is it possible to launch Neo4j in distributed mode to gain better performance? Why/Why not?
Abarca asked 9/5, 2018 at 17:5
5
I use the neo4j python driver to write to my database.
I have my neo4j DB setup and was using ita few days ago without any issues.
Today i run my code and i get the following error:
Failed to wr...
1
Intro
This what an existing query of mine looks like:
MATCH
(p:Person { id: $p_id })-[k1:`KNOWS`]->(person:Person)
WHERE (// some criteria)
MATCH
(person)-[work:`WORKED_AT`]->(company:Company...
4
I have my community 4.1.1 neo4j service installed on the ubuntu commandline running on my windows machine. I have been using neo4j steadily for a month or two now, just recently it has prevented me...
3
Solved
I have created some nodes and relationships within these. But while doing these something wrong happened. I want to delete all nodes having "SGS", except node with ID 2.
Following is script I ran ...
1
I have a docker-compose.yml to build a Neo4j container with neo4j plugin apoc:
neo4j:
image: neo4j:4.4.14
container_name: neo4j
ports:
- 7473:7473
- 7474:7474
- 7687:7687
volumes:
- "....
4
Solved
I am trying to import neo4j 2.2 data into neo4j 3.1. The documentation tells me to run
neo4j-admin import --mode=database --database=<database-name> --from=<source-directory>
However...
Monovalent asked 8/5, 2017 at 3:28
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